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Finding the Fourth Proportional to 92,831.82, 128,082.03 and 52,544.70

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Solution

The fourth proportional to 92,831.82, 128,082.03 and 52,544.70 is: 72,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,831.82 : 128,082.03 = 52,544.70 : x
  2. Step 2: Convert to fraction form
    92,831.82/128,082.03 = 52,544.70/x
  3. Step 3: Cross multiply
    92,831.82x = 128,082.03 × 52,544.70
  4. Step 4: Simplify right side
    92,831.82x = 6,730,031,841.74
  5. Step 5: Solve for x
    x = 6,730,031,841.74/92,831.82
  6. Step 6: Final answer
    x = 72,497.04

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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.