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Finding the Fourth Proportional to 94,639.87, 130,570.72 and 53,799.87

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Solution

The fourth proportional to 94,639.87, 130,570.72 and 53,799.87 is: 74,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,639.87 : 130,570.72 = 53,799.87 : x
  2. Step 2: Convert to fraction form
    94,639.87/130,570.72 = 53,799.87/x
  3. Step 3: Cross multiply
    94,639.87x = 130,570.72 × 53,799.87
  4. Step 4: Simplify right side
    94,639.87x = 7,024,688,116.95
  5. Step 5: Solve for x
    x = 7,024,688,116.95/94,639.87
  6. Step 6: Final answer
    x = 74,225.46

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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.