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Finding the Fourth Proportional to 88,085.93, 121,557.96 and 47,798.66

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Solution

The fourth proportional to 88,085.93, 121,557.96 and 47,798.66 is: 65,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,085.93 : 121,557.96 = 47,798.66 : x
  2. Step 2: Convert to fraction form
    88,085.93/121,557.96 = 47,798.66/x
  3. Step 3: Cross multiply
    88,085.93x = 121,557.96 × 47,798.66
  4. Step 4: Simplify right side
    88,085.93x = 5,810,307,904.23
  5. Step 5: Solve for x
    x = 5,810,307,904.23/88,085.93
  6. Step 6: Final answer
    x = 65,961.82

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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.