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Finding the Fourth Proportional to 105,576.54, 145,697.94 and 60,253.62

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Solution

The fourth proportional to 105,576.54, 145,697.94 and 60,253.62 is: 83,151.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,576.54 : 145,697.94 = 60,253.62 : x
  2. Step 2: Convert to fraction form
    105,576.54/145,697.94 = 60,253.62/x
  3. Step 3: Cross multiply
    105,576.54x = 145,697.94 × 60,253.62
  4. Step 4: Simplify right side
    105,576.54x = 8,778,828,311.54
  5. Step 5: Solve for x
    x = 8,778,828,311.54/105,576.54
  6. Step 6: Final answer
    x = 83,151.32

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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.