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Finding the Fourth Proportional to 88,095.77, 121,572.24 and 47,809.54

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Solution

The fourth proportional to 88,095.77, 121,572.24 and 47,809.54 is: 65,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,095.77 : 121,572.24 = 47,809.54 : x
  2. Step 2: Convert to fraction form
    88,095.77/121,572.24 = 47,809.54/x
  3. Step 3: Cross multiply
    88,095.77x = 121,572.24 × 47,809.54
  4. Step 4: Simplify right side
    88,095.77x = 5,812,312,871.17
  5. Step 5: Solve for x
    x = 5,812,312,871.17/88,095.77
  6. Step 6: Final answer
    x = 65,977.21

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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.