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Finding the Fourth Proportional to 178,079.06, 245,741.48 and 97,505.12

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Solution

The fourth proportional to 178,079.06, 245,741.48 and 97,505.12 is: 134,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,079.06 : 245,741.48 = 97,505.12 : x
  2. Step 2: Convert to fraction form
    178,079.06/245,741.48 = 97,505.12/x
  3. Step 3: Cross multiply
    178,079.06x = 245,741.48 × 97,505.12
  4. Step 4: Simplify right side
    178,079.06x = 23,961,052,496.38
  5. Step 5: Solve for x
    x = 23,961,052,496.38/178,079.06
  6. Step 6: Final answer
    x = 134,552.89

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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.