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Finding the Fourth Proportional to 178,254, 245,990.52 and 106,637.04

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Solution

The fourth proportional to 178,254, 245,990.52 and 106,637.04 is: 147,159.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,254 : 245,990.52 = 106,637.04 : x
  2. Step 2: Convert to fraction form
    178,254/245,990.52 = 106,637.04/x
  3. Step 3: Cross multiply
    178,254x = 245,990.52 × 106,637.04
  4. Step 4: Simplify right side
    178,254x = 26,231,700,920.86
  5. Step 5: Solve for x
    x = 26,231,700,920.86/178,254
  6. Step 6: Final answer
    x = 147,159.12

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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.