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Finding the Fourth Proportional to 169,411.53, 233,779.45 and 97,787.28

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Solution

The fourth proportional to 169,411.53, 233,779.45 and 97,787.28 is: 134,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,411.53 : 233,779.45 = 97,787.28 : x
  2. Step 2: Convert to fraction form
    169,411.53/233,779.45 = 97,787.28/x
  3. Step 3: Cross multiply
    169,411.53x = 233,779.45 × 97,787.28
  4. Step 4: Simplify right side
    169,411.53x = 22,860,656,535.40
  5. Step 5: Solve for x
    x = 22,860,656,535.40/169,411.53
  6. Step 6: Final answer
    x = 134,941.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.