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Finding the Fourth Proportional to 249,468.46, 344,278.96 and 152,642.02

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Solution

The fourth proportional to 249,468.46, 344,278.96 and 152,642.02 is: 210,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,468.46 : 344,278.96 = 152,642.02 : x
  2. Step 2: Convert to fraction form
    249,468.46/344,278.96 = 152,642.02/x
  3. Step 3: Cross multiply
    249,468.46x = 344,278.96 × 152,642.02
  4. Step 4: Simplify right side
    249,468.46x = 52,551,435,897.90
  5. Step 5: Solve for x
    x = 52,551,435,897.90/249,468.46
  6. Step 6: Final answer
    x = 210,653.63

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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.