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Finding the Fourth Proportional to 61,737.19, 85,197.32 and 33,442.88

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Solution

The fourth proportional to 61,737.19, 85,197.32 and 33,442.88 is: 46,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,737.19 : 85,197.32 = 33,442.88 : x
  2. Step 2: Convert to fraction form
    61,737.19/85,197.32 = 33,442.88/x
  3. Step 3: Cross multiply
    61,737.19x = 85,197.32 × 33,442.88
  4. Step 4: Simplify right side
    61,737.19x = 2,849,243,281.29
  5. Step 5: Solve for x
    x = 2,849,243,281.29/61,737.19
  6. Step 6: Final answer
    x = 46,151.17

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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.