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Finding the Fourth Proportional to 178,045.70, 245,707.36 and 97,472.97

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Solution

The fourth proportional to 178,045.70, 245,707.36 and 97,472.97 is: 134,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,045.70 : 245,707.36 = 97,472.97 : x
  2. Step 2: Convert to fraction form
    178,045.70/245,707.36 = 97,472.97/x
  3. Step 3: Cross multiply
    178,045.70x = 245,707.36 × 97,472.97
  4. Step 4: Simplify right side
    178,045.70x = 23,949,825,886.38
  5. Step 5: Solve for x
    x = 23,949,825,886.38/178,045.70
  6. Step 6: Final answer
    x = 134,515.05

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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.