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Finding the Fourth Proportional to 88,162.54, 121,666.71 and 51,866.54

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Solution

The fourth proportional to 88,162.54, 121,666.71 and 51,866.54 is: 71,577.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,162.54 : 121,666.71 = 51,866.54 : x
  2. Step 2: Convert to fraction form
    88,162.54/121,666.71 = 51,866.54/x
  3. Step 3: Cross multiply
    88,162.54x = 121,666.71 × 51,866.54
  4. Step 4: Simplify right side
    88,162.54x = 6,310,431,323.30
  5. Step 5: Solve for x
    x = 6,310,431,323.30/88,162.54
  6. Step 6: Final answer
    x = 71,577.24

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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.