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Finding the Fourth Proportional to 359,668.72, 539,502.90 and 106,948.12

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Solution

The fourth proportional to 359,668.72, 539,502.90 and 106,948.12 is: 160,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,668.72 : 539,502.90 = 106,948.12 : x
  2. Step 2: Convert to fraction form
    359,668.72/539,502.90 = 106,948.12/x
  3. Step 3: Cross multiply
    359,668.72x = 539,502.90 × 106,948.12
  4. Step 4: Simplify right side
    359,668.72x = 57,698,820,889.55
  5. Step 5: Solve for x
    x = 57,698,820,889.55/359,668.72
  6. Step 6: Final answer
    x = 160,422.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.