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Finding the Fourth Proportional to 178,147.12, 245,843.14 and 97,574.62

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Solution

The fourth proportional to 178,147.12, 245,843.14 and 97,574.62 is: 134,653.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,147.12 : 245,843.14 = 97,574.62 : x
  2. Step 2: Convert to fraction form
    178,147.12/245,843.14 = 97,574.62/x
  3. Step 3: Cross multiply
    178,147.12x = 245,843.14 × 97,574.62
  4. Step 4: Simplify right side
    178,147.12x = 23,988,050,965.11
  5. Step 5: Solve for x
    x = 23,988,050,965.11/178,147.12
  6. Step 6: Final answer
    x = 134,653.04

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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.