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Finding the Fourth Proportional to 92,967.60, 128,296.10 and 50,526.16

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Solution

The fourth proportional to 92,967.60, 128,296.10 and 50,526.16 is: 69,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,967.60 : 128,296.10 = 50,526.16 : x
  2. Step 2: Convert to fraction form
    92,967.60/128,296.10 = 50,526.16/x
  3. Step 3: Cross multiply
    92,967.60x = 128,296.10 × 50,526.16
  4. Step 4: Simplify right side
    92,967.60x = 6,482,309,275.98
  5. Step 5: Solve for x
    x = 6,482,309,275.98/92,967.60
  6. Step 6: Final answer
    x = 69,726.54

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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.