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Finding the Fourth Proportional to 104,641.16, 156,751.32 and 48,402.32

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Solution

The fourth proportional to 104,641.16, 156,751.32 and 48,402.32 is: 72,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,641.16 : 156,751.32 = 48,402.32 : x
  2. Step 2: Convert to fraction form
    104,641.16/156,751.32 = 48,402.32/x
  3. Step 3: Cross multiply
    104,641.16x = 156,751.32 × 48,402.32
  4. Step 4: Simplify right side
    104,641.16x = 7,587,127,551.06
  5. Step 5: Solve for x
    x = 7,587,127,551.06/104,641.16
  6. Step 6: Final answer
    x = 72,506.15

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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.