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Finding the Fourth Proportional to 94,903.56, 130,972.56 and 52,461.12

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Solution

The fourth proportional to 94,903.56, 130,972.56 and 52,461.12 is: 72,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,903.56 : 130,972.56 = 52,461.12 : x
  2. Step 2: Convert to fraction form
    94,903.56/130,972.56 = 52,461.12/x
  3. Step 3: Cross multiply
    94,903.56x = 130,972.56 × 52,461.12
  4. Step 4: Simplify right side
    94,903.56x = 6,870,967,186.87
  5. Step 5: Solve for x
    x = 6,870,967,186.87/94,903.56
  6. Step 6: Final answer
    x = 72,399.47

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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.