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Finding the Fourth Proportional to 155,395,427.60, 232,645,243.80 and 155,395,427.60

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Solution

The fourth proportional to 155,395,427.60, 232,645,243.80 and 155,395,427.60 is: 232,645,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,395,427.60 : 232,645,243.80 = 155,395,427.60 : x
  2. Step 2: Convert to fraction form
    155,395,427.60/232,645,243.80 = 155,395,427.60/x
  3. Step 3: Cross multiply
    155,395,427.60x = 232,645,243.80 × 155,395,427.60
  4. Step 4: Simplify right side
    155,395,427.60x = 36,152,007,139,407,248
  5. Step 5: Solve for x
    x = 36,152,007,139,407,248/155,395,427.60
  6. Step 6: Final answer
    x = 232,645,243.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.