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Finding the Fourth Proportional to 163,576,881.60, 245,156,925.60 and 86,936,625.60

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Solution

The fourth proportional to 163,576,881.60, 245,156,925.60 and 86,936,625.60 is: 130,294,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,576,881.60 : 245,156,925.60 = 86,936,625.60 : x
  2. Step 2: Convert to fraction form
    163,576,881.60/245,156,925.60 = 86,936,625.60/x
  3. Step 3: Cross multiply
    163,576,881.60x = 245,156,925.60 × 86,936,625.60
  4. Step 4: Simplify right side
    163,576,881.60x = 21,313,115,854,134,252
  5. Step 5: Solve for x
    x = 21,313,115,854,134,252/163,576,881.60
  6. Step 6: Final answer
    x = 130,294,181.22

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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.