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Finding the Fourth Proportional to 176,562, 243,655.56 and 97,074

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Solution

The fourth proportional to 176,562, 243,655.56 and 97,074 is: 133,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,562 : 243,655.56 = 97,074 : x
  2. Step 2: Convert to fraction form
    176,562/243,655.56 = 97,074/x
  3. Step 3: Cross multiply
    176,562x = 243,655.56 × 97,074
  4. Step 4: Simplify right side
    176,562x = 23,652,619,831.44
  5. Step 5: Solve for x
    x = 23,652,619,831.44/176,562
  6. Step 6: Final answer
    x = 133,962.12

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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.