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Finding the Fourth Proportional to 249,191.55, 343,884.33 and 136,014.30

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Solution

The fourth proportional to 249,191.55, 343,884.33 and 136,014.30 is: 187,699.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,191.55 : 343,884.33 = 136,014.30 : x
  2. Step 2: Convert to fraction form
    249,191.55/343,884.33 = 136,014.30/x
  3. Step 3: Cross multiply
    249,191.55x = 343,884.33 × 136,014.30
  4. Step 4: Simplify right side
    249,191.55x = 46,773,186,425.92
  5. Step 5: Solve for x
    x = 46,773,186,425.92/249,191.55
  6. Step 6: Final answer
    x = 187,699.73

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1.5x scale

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.