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Finding the Fourth Proportional to 113,956.57, 157,260.06 and 63,655.57

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Solution

The fourth proportional to 113,956.57, 157,260.06 and 63,655.57 is: 87,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,956.57 : 157,260.06 = 63,655.57 : x
  2. Step 2: Convert to fraction form
    113,956.57/157,260.06 = 63,655.57/x
  3. Step 3: Cross multiply
    113,956.57x = 157,260.06 × 63,655.57
  4. Step 4: Simplify right side
    113,956.57x = 10,010,477,971.23
  5. Step 5: Solve for x
    x = 10,010,477,971.23/113,956.57
  6. Step 6: Final answer
    x = 87,844.68

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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.