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Finding the Fourth Proportional to 124,117.96, 171,283.54 and 67,529.74

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Solution

The fourth proportional to 124,117.96, 171,283.54 and 67,529.74 is: 93,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,117.96 : 171,283.54 = 67,529.74 : x
  2. Step 2: Convert to fraction form
    124,117.96/171,283.54 = 67,529.74/x
  3. Step 3: Cross multiply
    124,117.96x = 171,283.54 × 67,529.74
  4. Step 4: Simplify right side
    124,117.96x = 11,566,732,922.48
  5. Step 5: Solve for x
    x = 11,566,732,922.48/124,117.96
  6. Step 6: Final answer
    x = 93,191.45

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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.