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Finding the Fourth Proportional to 124,516.68, 171,832.21 and 70,801.70

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Solution

The fourth proportional to 124,516.68, 171,832.21 and 70,801.70 is: 97,705.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,516.68 : 171,832.21 = 70,801.70 : x
  2. Step 2: Convert to fraction form
    124,516.68/171,832.21 = 70,801.70/x
  3. Step 3: Cross multiply
    124,516.68x = 171,832.21 × 70,801.70
  4. Step 4: Simplify right side
    124,516.68x = 12,166,012,582.76
  5. Step 5: Solve for x
    x = 12,166,012,582.76/124,516.68
  6. Step 6: Final answer
    x = 97,705.89

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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.