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Finding the Fourth Proportional to 124,374.57, 171,641.54 and 70,668.68

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Solution

The fourth proportional to 124,374.57, 171,641.54 and 70,668.68 is: 97,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,374.57 : 171,641.54 = 70,668.68 : x
  2. Step 2: Convert to fraction form
    124,374.57/171,641.54 = 70,668.68/x
  3. Step 3: Cross multiply
    124,374.57x = 171,641.54 × 70,668.68
  4. Step 4: Simplify right side
    124,374.57x = 12,129,679,853.42
  5. Step 5: Solve for x
    x = 12,129,679,853.42/124,374.57
  6. Step 6: Final answer
    x = 97,525.40

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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.