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Finding the Fourth Proportional to 123,655.13, 185,358.06 and 48,746.28

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Solution

The fourth proportional to 123,655.13, 185,358.06 and 48,746.28 is: 73,070.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,655.13 : 185,358.06 = 48,746.28 : x
  2. Step 2: Convert to fraction form
    123,655.13/185,358.06 = 48,746.28/x
  3. Step 3: Cross multiply
    123,655.13x = 185,358.06 × 48,746.28
  4. Step 4: Simplify right side
    123,655.13x = 9,035,515,893.02
  5. Step 5: Solve for x
    x = 9,035,515,893.02/123,655.13
  6. Step 6: Final answer
    x = 73,070.29

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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.