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Finding the Fourth Proportional to 125,671.34, 173,247.99 and 99,952.22

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Solution

The fourth proportional to 125,671.34, 173,247.99 and 99,952.22 is: 137,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,671.34 : 173,247.99 = 99,952.22 : x
  2. Step 2: Convert to fraction form
    125,671.34/173,247.99 = 99,952.22/x
  3. Step 3: Cross multiply
    125,671.34x = 173,247.99 × 99,952.22
  4. Step 4: Simplify right side
    125,671.34x = 17,316,521,211.04
  5. Step 5: Solve for x
    x = 17,316,521,211.04/125,671.34
  6. Step 6: Final answer
    x = 137,792.13

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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.