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Finding the Fourth Proportional to 88,501.80, 122,118.76 and 50,768.76

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Solution

The fourth proportional to 88,501.80, 122,118.76 and 50,768.76 is: 70,053.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,501.80 : 122,118.76 = 50,768.76 : x
  2. Step 2: Convert to fraction form
    88,501.80/122,118.76 = 50,768.76/x
  3. Step 3: Cross multiply
    88,501.80x = 122,118.76 × 50,768.76
  4. Step 4: Simplify right side
    88,501.80x = 6,199,818,017.94
  5. Step 5: Solve for x
    x = 6,199,818,017.94/88,501.80
  6. Step 6: Final answer
    x = 70,053.02

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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.