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Finding the Fourth Proportional to 249,011.57, 343,635.56 and 135,834.32

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Solution

The fourth proportional to 249,011.57, 343,635.56 and 135,834.32 is: 187,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,011.57 : 343,635.56 = 135,834.32 : x
  2. Step 2: Convert to fraction form
    249,011.57/343,635.56 = 135,834.32/x
  3. Step 3: Cross multiply
    249,011.57x = 343,635.56 × 135,834.32
  4. Step 4: Simplify right side
    249,011.57x = 46,677,500,223.07
  5. Step 5: Solve for x
    x = 46,677,500,223.07/249,011.57
  6. Step 6: Final answer
    x = 187,451.13

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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.