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Finding the Fourth Proportional to 113,927.93, 157,215.77 and 65,526.20

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Solution

The fourth proportional to 113,927.93, 157,215.77 and 65,526.20 is: 90,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,927.93 : 157,215.77 = 65,526.20 : x
  2. Step 2: Convert to fraction form
    113,927.93/157,215.77 = 65,526.20/x
  3. Step 3: Cross multiply
    113,927.93x = 157,215.77 × 65,526.20
  4. Step 4: Simplify right side
    113,927.93x = 10,301,750,874.46
  5. Step 5: Solve for x
    x = 10,301,750,874.46/113,927.93
  6. Step 6: Final answer
    x = 90,423.40

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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.