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Finding the Fourth Proportional to 359,030.04, 538,545.06 and 109,709.88

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Solution

The fourth proportional to 359,030.04, 538,545.06 and 109,709.88 is: 164,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,030.04 : 538,545.06 = 109,709.88 : x
  2. Step 2: Convert to fraction form
    359,030.04/538,545.06 = 109,709.88/x
  3. Step 3: Cross multiply
    359,030.04x = 538,545.06 × 109,709.88
  4. Step 4: Simplify right side
    359,030.04x = 59,083,713,907.19
  5. Step 5: Solve for x
    x = 59,083,713,907.19/359,030.04
  6. Step 6: Final answer
    x = 164,564.82

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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.