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Finding the Fourth Proportional to 249,524.28, 344,352 and 136,354.32

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Solution

The fourth proportional to 249,524.28, 344,352 and 136,354.32 is: 188,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,524.28 : 344,352 = 136,354.32 : x
  2. Step 2: Convert to fraction form
    249,524.28/344,352 = 136,354.32/x
  3. Step 3: Cross multiply
    249,524.28x = 344,352 × 136,354.32
  4. Step 4: Simplify right side
    249,524.28x = 46,953,882,800.64
  5. Step 5: Solve for x
    x = 46,953,882,800.64/249,524.28
  6. Step 6: Final answer
    x = 188,173.60

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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.