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Finding the Fourth Proportional to 88,657.82, 133,025.72 and 46,528

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Solution

The fourth proportional to 88,657.82, 133,025.72 and 46,528 is: 69,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,657.82 : 133,025.72 = 46,528 : x
  2. Step 2: Convert to fraction form
    88,657.82/133,025.72 = 46,528/x
  3. Step 3: Cross multiply
    88,657.82x = 133,025.72 × 46,528
  4. Step 4: Simplify right side
    88,657.82x = 6,189,420,700.16
  5. Step 5: Solve for x
    x = 6,189,420,700.16/88,657.82
  6. Step 6: Final answer
    x = 69,812.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.