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Finding the Fourth Proportional to 359,307.14, 538,868.76 and 106,528.52

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Solution

The fourth proportional to 359,307.14, 538,868.76 and 106,528.52 is: 159,765.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,307.14 : 538,868.76 = 106,528.52 : x
  2. Step 2: Convert to fraction form
    359,307.14/538,868.76 = 106,528.52/x
  3. Step 3: Cross multiply
    359,307.14x = 538,868.76 × 106,528.52
  4. Step 4: Simplify right side
    359,307.14x = 57,404,891,477.04
  5. Step 5: Solve for x
    x = 57,404,891,477.04/359,307.14
  6. Step 6: Final answer
    x = 159,765.52

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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.