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Finding the Fourth Proportional to 88,034.65, 132,070.37 and 28,865.65

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Solution

The fourth proportional to 88,034.65, 132,070.37 and 28,865.65 is: 43,304.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,034.65 : 132,070.37 = 28,865.65 : x
  2. Step 2: Convert to fraction form
    88,034.65/132,070.37 = 28,865.65/x
  3. Step 3: Cross multiply
    88,034.65x = 132,070.37 × 28,865.65
  4. Step 4: Simplify right side
    88,034.65x = 3,812,296,931.46
  5. Step 5: Solve for x
    x = 3,812,296,931.46/88,034.65
  6. Step 6: Final answer
    x = 43,304.50

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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.