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Finding the Fourth Proportional to 249,381.53, 344,148.78 and 141,958.52

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Solution

The fourth proportional to 249,381.53, 344,148.78 and 141,958.52 is: 195,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,381.53 : 344,148.78 = 141,958.52 : x
  2. Step 2: Convert to fraction form
    249,381.53/344,148.78 = 141,958.52/x
  3. Step 3: Cross multiply
    249,381.53x = 344,148.78 × 141,958.52
  4. Step 4: Simplify right side
    249,381.53x = 48,854,851,468.61
  5. Step 5: Solve for x
    x = 48,854,851,468.61/249,381.53
  6. Step 6: Final answer
    x = 195,904.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.