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Finding the Fourth Proportional to 97,378.56, 134,382.72 and 52,666.56

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Solution

The fourth proportional to 97,378.56, 134,382.72 and 52,666.56 is: 72,680.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,378.56 : 134,382.72 = 52,666.56 : x
  2. Step 2: Convert to fraction form
    97,378.56/134,382.72 = 52,666.56/x
  3. Step 3: Cross multiply
    97,378.56x = 134,382.72 × 52,666.56
  4. Step 4: Simplify right side
    97,378.56x = 7,077,475,585.84
  5. Step 5: Solve for x
    x = 7,077,475,585.84/97,378.56
  6. Step 6: Final answer
    x = 72,680.02

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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.