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Finding the Fourth Proportional to 249,867.26, 374,800.88 and 72,374.32

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Solution

The fourth proportional to 249,867.26, 374,800.88 and 72,374.32 is: 108,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,867.26 : 374,800.88 = 72,374.32 : x
  2. Step 2: Convert to fraction form
    249,867.26/374,800.88 = 72,374.32/x
  3. Step 3: Cross multiply
    249,867.26x = 374,800.88 × 72,374.32
  4. Step 4: Simplify right side
    249,867.26x = 27,125,960,103.68
  5. Step 5: Solve for x
    x = 27,125,960,103.68/249,867.26
  6. Step 6: Final answer
    x = 108,561.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.