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Finding the Fourth Proportional to 249,484.66, 344,288.96 and 134,763.30

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Solution

The fourth proportional to 249,484.66, 344,288.96 and 134,763.30 is: 185,973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,484.66 : 344,288.96 = 134,763.30 : x
  2. Step 2: Convert to fraction form
    249,484.66/344,288.96 = 134,763.30/x
  3. Step 3: Cross multiply
    249,484.66x = 344,288.96 × 134,763.30
  4. Step 4: Simplify right side
    249,484.66x = 46,397,516,740.08
  5. Step 5: Solve for x
    x = 46,397,516,740.08/249,484.66
  6. Step 6: Final answer
    x = 185,973.43

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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.