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Finding the Fourth Proportional to 124,523.67, 171,841.86 and 70,808.70

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Solution

The fourth proportional to 124,523.67, 171,841.86 and 70,808.70 is: 97,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,523.67 : 171,841.86 = 70,808.70 : x
  2. Step 2: Convert to fraction form
    124,523.67/171,841.86 = 70,808.70/x
  3. Step 3: Cross multiply
    124,523.67x = 171,841.86 × 70,808.70
  4. Step 4: Simplify right side
    124,523.67x = 12,167,898,712.18
  5. Step 5: Solve for x
    x = 12,167,898,712.18/124,523.67
  6. Step 6: Final answer
    x = 97,715.55

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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.