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Finding the Fourth Proportional to 178,953.47, 246,941.10 and 105,354.22

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Solution

The fourth proportional to 178,953.47, 246,941.10 and 105,354.22 is: 145,380.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,953.47 : 246,941.10 = 105,354.22 : x
  2. Step 2: Convert to fraction form
    178,953.47/246,941.10 = 105,354.22/x
  3. Step 3: Cross multiply
    178,953.47x = 246,941.10 × 105,354.22
  4. Step 4: Simplify right side
    178,953.47x = 26,016,285,501.00
  5. Step 5: Solve for x
    x = 26,016,285,501.00/178,953.47
  6. Step 6: Final answer
    x = 145,380.17

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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.