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Finding the Fourth Proportional to 92,863.01, 128,151.45 and 50,421.54

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Solution

The fourth proportional to 92,863.01, 128,151.45 and 50,421.54 is: 69,582.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,863.01 : 128,151.45 = 50,421.54 : x
  2. Step 2: Convert to fraction form
    92,863.01/128,151.45 = 50,421.54/x
  3. Step 3: Cross multiply
    92,863.01x = 128,151.45 × 50,421.54
  4. Step 4: Simplify right side
    92,863.01x = 6,461,593,434.66
  5. Step 5: Solve for x
    x = 6,461,593,434.66/92,863.01
  6. Step 6: Final answer
    x = 69,582.00

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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.