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Finding the Fourth Proportional to 104,603.10, 156,904.65 and 62,612.70

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Solution

The fourth proportional to 104,603.10, 156,904.65 and 62,612.70 is: 93,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,603.10 : 156,904.65 = 62,612.70 : x
  2. Step 2: Convert to fraction form
    104,603.10/156,904.65 = 62,612.70/x
  3. Step 3: Cross multiply
    104,603.10x = 156,904.65 × 62,612.70
  4. Step 4: Simplify right side
    104,603.10x = 9,824,223,779.06
  5. Step 5: Solve for x
    x = 9,824,223,779.06/104,603.10
  6. Step 6: Final answer
    x = 93,919.05

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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.