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Finding the Fourth Proportional to 178,095.52, 245,774.84 and 97,521.76

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Solution

The fourth proportional to 178,095.52, 245,774.84 and 97,521.76 is: 134,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,095.52 : 245,774.84 = 97,521.76 : x
  2. Step 2: Convert to fraction form
    178,095.52/245,774.84 = 97,521.76/x
  3. Step 3: Cross multiply
    178,095.52x = 245,774.84 × 97,521.76
  4. Step 4: Simplify right side
    178,095.52x = 23,968,394,960.52
  5. Step 5: Solve for x
    x = 23,968,394,960.52/178,095.52
  6. Step 6: Final answer
    x = 134,581.68

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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.