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Finding the Fourth Proportional to 122,132.52, 168,593.70 and 83,946.84

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Solution

The fourth proportional to 122,132.52, 168,593.70 and 83,946.84 is: 115,881.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,132.52 : 168,593.70 = 83,946.84 : x
  2. Step 2: Convert to fraction form
    122,132.52/168,593.70 = 83,946.84/x
  3. Step 3: Cross multiply
    122,132.52x = 168,593.70 × 83,946.84
  4. Step 4: Simplify right side
    122,132.52x = 14,152,908,358.91
  5. Step 5: Solve for x
    x = 14,152,908,358.91/122,132.52
  6. Step 6: Final answer
    x = 115,881.57

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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.