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Finding the Fourth Proportional to 113,885.57, 157,161.29 and 62,901.64

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Solution

The fourth proportional to 113,885.57, 157,161.29 and 62,901.64 is: 86,803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,885.57 : 157,161.29 = 62,901.64 : x
  2. Step 2: Convert to fraction form
    113,885.57/157,161.29 = 62,901.64/x
  3. Step 3: Cross multiply
    113,885.57x = 157,161.29 × 62,901.64
  4. Step 4: Simplify right side
    113,885.57x = 9,885,702,885.52
  5. Step 5: Solve for x
    x = 9,885,702,885.52/113,885.57
  6. Step 6: Final answer
    x = 86,803.82

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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.