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Finding the Fourth Proportional to 92,859.27, 128,153.72 and 52,580.13

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Solution

The fourth proportional to 92,859.27, 128,153.72 and 52,580.13 is: 72,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,859.27 : 128,153.72 = 52,580.13 : x
  2. Step 2: Convert to fraction form
    92,859.27/128,153.72 = 52,580.13/x
  3. Step 3: Cross multiply
    92,859.27x = 128,153.72 × 52,580.13
  4. Step 4: Simplify right side
    92,859.27x = 6,738,339,389.03
  5. Step 5: Solve for x
    x = 6,738,339,389.03/92,859.27
  6. Step 6: Final answer
    x = 72,565.07

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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.