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Finding the Fourth Proportional to 157,465.60, 236,198.40 and 155,254.30

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Solution

The fourth proportional to 157,465.60, 236,198.40 and 155,254.30 is: 232,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465.60 : 236,198.40 = 155,254.30 : x
  2. Step 2: Convert to fraction form
    157,465.60/236,198.40 = 155,254.30/x
  3. Step 3: Cross multiply
    157,465.60x = 236,198.40 × 155,254.30
  4. Step 4: Simplify right side
    157,465.60x = 36,670,817,253.12
  5. Step 5: Solve for x
    x = 36,670,817,253.12/157,465.60
  6. Step 6: Final answer
    x = 232,881.45

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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.