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Finding the Fourth Proportional to 125,330.35, 172,954.71 and 67,970.94

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Solution

The fourth proportional to 125,330.35, 172,954.71 and 67,970.94 is: 93,799.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,330.35 : 172,954.71 = 67,970.94 : x
  2. Step 2: Convert to fraction form
    125,330.35/172,954.71 = 67,970.94/x
  3. Step 3: Cross multiply
    125,330.35x = 172,954.71 × 67,970.94
  4. Step 4: Simplify right side
    125,330.35x = 11,755,893,894.68
  5. Step 5: Solve for x
    x = 11,755,893,894.68/125,330.35
  6. Step 6: Final answer
    x = 93,799.26

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1.5x scale

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.