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Finding the Fourth Proportional to 112,502.86, 168,837.34 and 53,338.74

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Solution

The fourth proportional to 112,502.86, 168,837.34 and 53,338.74 is: 80,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,502.86 : 168,837.34 = 53,338.74 : x
  2. Step 2: Convert to fraction form
    112,502.86/168,837.34 = 53,338.74/x
  3. Step 3: Cross multiply
    112,502.86x = 168,837.34 × 53,338.74
  4. Step 4: Simplify right side
    112,502.86x = 9,005,570,980.55
  5. Step 5: Solve for x
    x = 9,005,570,980.55/112,502.86
  6. Step 6: Final answer
    x = 80,047.48

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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.