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Finding the Fourth Proportional to 91,350.70, 126,064.65 and 51,066.10

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Solution

The fourth proportional to 91,350.70, 126,064.65 and 51,066.10 is: 70,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,350.70 : 126,064.65 = 51,066.10 : x
  2. Step 2: Convert to fraction form
    91,350.70/126,064.65 = 51,066.10/x
  3. Step 3: Cross multiply
    91,350.70x = 126,064.65 × 51,066.10
  4. Step 4: Simplify right side
    91,350.70x = 6,437,630,023.37
  5. Step 5: Solve for x
    x = 6,437,630,023.37/91,350.70
  6. Step 6: Final answer
    x = 70,471.60

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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.