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Finding the Fourth Proportional to 88,777.76, 122,508.28 and 48,483.52

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Solution

The fourth proportional to 88,777.76, 122,508.28 and 48,483.52 is: 66,904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,777.76 : 122,508.28 = 48,483.52 : x
  2. Step 2: Convert to fraction form
    88,777.76/122,508.28 = 48,483.52/x
  3. Step 3: Cross multiply
    88,777.76x = 122,508.28 × 48,483.52
  4. Step 4: Simplify right side
    88,777.76x = 5,939,632,643.55
  5. Step 5: Solve for x
    x = 5,939,632,643.55/88,777.76
  6. Step 6: Final answer
    x = 66,904.51

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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.