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Finding the Fourth Proportional to 114,580.50, 158,122.17 and 64,280.58

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Solution

The fourth proportional to 114,580.50, 158,122.17 and 64,280.58 is: 88,707.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,580.50 : 158,122.17 = 64,280.58 : x
  2. Step 2: Convert to fraction form
    114,580.50/158,122.17 = 64,280.58/x
  3. Step 3: Cross multiply
    114,580.50x = 158,122.17 × 64,280.58
  4. Step 4: Simplify right side
    114,580.50x = 10,164,184,798.46
  5. Step 5: Solve for x
    x = 10,164,184,798.46/114,580.50
  6. Step 6: Final answer
    x = 88,707.81

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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.