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Finding the Fourth Proportional to 124,397.60, 171,668.99 and 70,700.45

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Solution

The fourth proportional to 124,397.60, 171,668.99 and 70,700.45 is: 97,566.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,397.60 : 171,668.99 = 70,700.45 : x
  2. Step 2: Convert to fraction form
    124,397.60/171,668.99 = 70,700.45/x
  3. Step 3: Cross multiply
    124,397.60x = 171,668.99 × 70,700.45
  4. Step 4: Simplify right side
    124,397.60x = 12,137,074,490.54
  5. Step 5: Solve for x
    x = 12,137,074,490.54/124,397.60
  6. Step 6: Final answer
    x = 97,566.79

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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.