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Finding the Fourth Proportional to 145,838.39, 218,757.65 and 35,030.39

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Solution

The fourth proportional to 145,838.39, 218,757.65 and 35,030.39 is: 52,545.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,838.39 : 218,757.65 = 35,030.39 : x
  2. Step 2: Convert to fraction form
    145,838.39/218,757.65 = 35,030.39/x
  3. Step 3: Cross multiply
    145,838.39x = 218,757.65 × 35,030.39
  4. Step 4: Simplify right side
    145,838.39x = 7,663,164,526.04
  5. Step 5: Solve for x
    x = 7,663,164,526.04/145,838.39
  6. Step 6: Final answer
    x = 52,545.59

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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.