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Finding the Fourth Proportional to 359,969.19, 539,984.76 and 93,730.18

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Solution

The fourth proportional to 359,969.19, 539,984.76 and 93,730.18 is: 140,603.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,969.19 : 539,984.76 = 93,730.18 : x
  2. Step 2: Convert to fraction form
    359,969.19/539,984.76 = 93,730.18/x
  3. Step 3: Cross multiply
    359,969.19x = 539,984.76 × 93,730.18
  4. Step 4: Simplify right side
    359,969.19x = 50,612,868,752.06
  5. Step 5: Solve for x
    x = 50,612,868,752.06/359,969.19
  6. Step 6: Final answer
    x = 140,603.34

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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.