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Finding the Fourth Proportional to 112,527, 168,792.12 and 29,421

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Solution

The fourth proportional to 112,527, 168,792.12 and 29,421 is: 44,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,527 : 168,792.12 = 29,421 : x
  2. Step 2: Convert to fraction form
    112,527/168,792.12 = 29,421/x
  3. Step 3: Cross multiply
    112,527x = 168,792.12 × 29,421
  4. Step 4: Simplify right side
    112,527x = 4,966,032,962.52
  5. Step 5: Solve for x
    x = 4,966,032,962.52/112,527
  6. Step 6: Final answer
    x = 44,131.92

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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.