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Finding the Fourth Proportional to 134,952, 202,289.76 and 56,112

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Solution

The fourth proportional to 134,952, 202,289.76 and 56,112 is: 84,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,952 : 202,289.76 = 56,112 : x
  2. Step 2: Convert to fraction form
    134,952/202,289.76 = 56,112/x
  3. Step 3: Cross multiply
    134,952x = 202,289.76 × 56,112
  4. Step 4: Simplify right side
    134,952x = 11,350,883,013.12
  5. Step 5: Solve for x
    x = 11,350,883,013.12/134,952
  6. Step 6: Final answer
    x = 84,110.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.