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Finding the Fourth Proportional to 105,253.77, 145,250.34 and 59,931.77

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Solution

The fourth proportional to 105,253.77, 145,250.34 and 59,931.77 is: 82,705.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,253.77 : 145,250.34 = 59,931.77 : x
  2. Step 2: Convert to fraction form
    105,253.77/145,250.34 = 59,931.77/x
  3. Step 3: Cross multiply
    105,253.77x = 145,250.34 × 59,931.77
  4. Step 4: Simplify right side
    105,253.77x = 8,705,110,332.43
  5. Step 5: Solve for x
    x = 8,705,110,332.43/105,253.77
  6. Step 6: Final answer
    x = 82,705.92

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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.