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Finding the Fourth Proportional to 58,803.20, 88,638.78 and 55,373.93

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Solution

The fourth proportional to 58,803.20, 88,638.78 and 55,373.93 is: 83,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,803.20 : 88,638.78 = 55,373.93 : x
  2. Step 2: Convert to fraction form
    58,803.20/88,638.78 = 55,373.93/x
  3. Step 3: Cross multiply
    58,803.20x = 88,638.78 × 55,373.93
  4. Step 4: Simplify right side
    58,803.20x = 4,908,277,155.81
  5. Step 5: Solve for x
    x = 4,908,277,155.81/58,803.20
  6. Step 6: Final answer
    x = 83,469.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.