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Finding the Fourth Proportional to 71,230.16, 98,264.52 and 46,087.76

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Solution

The fourth proportional to 71,230.16, 98,264.52 and 46,087.76 is: 63,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,230.16 : 98,264.52 = 46,087.76 : x
  2. Step 2: Convert to fraction form
    71,230.16/98,264.52 = 46,087.76/x
  3. Step 3: Cross multiply
    71,230.16x = 98,264.52 × 46,087.76
  4. Step 4: Simplify right side
    71,230.16x = 4,528,791,614.28
  5. Step 5: Solve for x
    x = 4,528,791,614.28/71,230.16
  6. Step 6: Final answer
    x = 63,579.69

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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.