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Finding the Fourth Proportional to 178,071.65, 245,738.84 and 97,499.16

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Solution

The fourth proportional to 178,071.65, 245,738.84 and 97,499.16 is: 134,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,071.65 : 245,738.84 = 97,499.16 : x
  2. Step 2: Convert to fraction form
    178,071.65/245,738.84 = 97,499.16/x
  3. Step 3: Cross multiply
    178,071.65x = 245,738.84 × 97,499.16
  4. Step 4: Simplify right side
    178,071.65x = 23,959,329,229.38
  5. Step 5: Solve for x
    x = 23,959,329,229.38/178,071.65
  6. Step 6: Final answer
    x = 134,548.81

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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.