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Finding the Fourth Proportional to 178,188.49, 245,900.22 and 97,618.93

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Solution

The fourth proportional to 178,188.49, 245,900.22 and 97,618.93 is: 134,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,188.49 : 245,900.22 = 97,618.93 : x
  2. Step 2: Convert to fraction form
    178,188.49/245,900.22 = 97,618.93/x
  3. Step 3: Cross multiply
    178,188.49x = 245,900.22 × 97,618.93
  4. Step 4: Simplify right side
    178,188.49x = 24,004,516,363.16
  5. Step 5: Solve for x
    x = 24,004,516,363.16/178,188.49
  6. Step 6: Final answer
    x = 134,714.18

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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.