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Finding the Fourth Proportional to 249,191.50, 343,884.27 and 136,014.25

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Solution

The fourth proportional to 249,191.50, 343,884.27 and 136,014.25 is: 187,699.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,191.50 : 343,884.27 = 136,014.25 : x
  2. Step 2: Convert to fraction form
    249,191.50/343,884.27 = 136,014.25/x
  3. Step 3: Cross multiply
    249,191.50x = 343,884.27 × 136,014.25
  4. Step 4: Simplify right side
    249,191.50x = 46,773,160,211.14
  5. Step 5: Solve for x
    x = 46,773,160,211.14/249,191.50
  6. Step 6: Final answer
    x = 187,699.66

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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.