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Finding the Fourth Proportional to 178,417, 246,215.46 and 98,929

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Solution

The fourth proportional to 178,417, 246,215.46 and 98,929 is: 136,522.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,417 : 246,215.46 = 98,929 : x
  2. Step 2: Convert to fraction form
    178,417/246,215.46 = 98,929/x
  3. Step 3: Cross multiply
    178,417x = 246,215.46 × 98,929
  4. Step 4: Simplify right side
    178,417x = 24,357,849,242.34
  5. Step 5: Solve for x
    x = 24,357,849,242.34/178,417
  6. Step 6: Final answer
    x = 136,522.02

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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.