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Finding the Fourth Proportional to 82,588.95, 123,798.78 and 55,937.72

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Solution

The fourth proportional to 82,588.95, 123,798.78 and 55,937.72 is: 83,849.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,588.95 : 123,798.78 = 55,937.72 : x
  2. Step 2: Convert to fraction form
    82,588.95/123,798.78 = 55,937.72/x
  3. Step 3: Cross multiply
    82,588.95x = 123,798.78 × 55,937.72
  4. Step 4: Simplify right side
    82,588.95x = 6,925,021,801.48
  5. Step 5: Solve for x
    x = 6,925,021,801.48/82,588.95
  6. Step 6: Final answer
    x = 83,849.25

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1.5x scale

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.