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Finding the Fourth Proportional to 113,803.16, 157,122.34 and 101,845.94

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Solution

The fourth proportional to 113,803.16, 157,122.34 and 101,845.94 is: 140,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,803.16 : 157,122.34 = 101,845.94 : x
  2. Step 2: Convert to fraction form
    113,803.16/157,122.34 = 101,845.94/x
  3. Step 3: Cross multiply
    113,803.16x = 157,122.34 × 101,845.94
  4. Step 4: Simplify right side
    113,803.16x = 16,002,272,412.30
  5. Step 5: Solve for x
    x = 16,002,272,412.30/113,803.16
  6. Step 6: Final answer
    x = 140,613.60

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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.