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Finding the Fourth Proportional to 359,117.30, 538,675.86 and 92,904.68

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Solution

The fourth proportional to 359,117.30, 538,675.86 and 92,904.68 is: 139,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,117.30 : 538,675.86 = 92,904.68 : x
  2. Step 2: Convert to fraction form
    359,117.30/538,675.86 = 92,904.68/x
  3. Step 3: Cross multiply
    359,117.30x = 538,675.86 × 92,904.68
  4. Step 4: Simplify right side
    359,117.30x = 50,045,508,397.02
  5. Step 5: Solve for x
    x = 50,045,508,397.02/359,117.30
  6. Step 6: Final answer
    x = 139,357.00

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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.