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Finding the Fourth Proportional to 88,762.68, 133,145.16 and 49,569.12

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Solution

The fourth proportional to 88,762.68, 133,145.16 and 49,569.12 is: 74,354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,762.68 : 133,145.16 = 49,569.12 : x
  2. Step 2: Convert to fraction form
    88,762.68/133,145.16 = 49,569.12/x
  3. Step 3: Cross multiply
    88,762.68x = 133,145.16 × 49,569.12
  4. Step 4: Simplify right side
    88,762.68x = 6,599,888,413.46
  5. Step 5: Solve for x
    x = 6,599,888,413.46/88,762.68
  6. Step 6: Final answer
    x = 74,354.32

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1.5x scale

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.