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Finding the Fourth Proportional to 249,587.56, 344,425.72 and 136,411.12

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Solution

The fourth proportional to 249,587.56, 344,425.72 and 136,411.12 is: 188,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,587.56 : 344,425.72 = 136,411.12 : x
  2. Step 2: Convert to fraction form
    249,587.56/344,425.72 = 136,411.12/x
  3. Step 3: Cross multiply
    249,587.56x = 344,425.72 × 136,411.12
  4. Step 4: Simplify right side
    249,587.56x = 46,983,498,222.01
  5. Step 5: Solve for x
    x = 46,983,498,222.01/249,587.56
  6. Step 6: Final answer
    x = 188,244.55

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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.