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Finding the Fourth Proportional to 235,357.46, 352,925.28 and 85,492.10

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Solution

The fourth proportional to 235,357.46, 352,925.28 and 85,492.10 is: 128,197.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,357.46 : 352,925.28 = 85,492.10 : x
  2. Step 2: Convert to fraction form
    235,357.46/352,925.28 = 85,492.10/x
  3. Step 3: Cross multiply
    235,357.46x = 352,925.28 × 85,492.10
  4. Step 4: Simplify right side
    235,357.46x = 30,172,323,330.29
  5. Step 5: Solve for x
    x = 30,172,323,330.29/235,357.46
  6. Step 6: Final answer
    x = 128,197.86

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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.