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Finding the Fourth Proportional to 101,070.20, 151,483.80 and 41,875.40

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Solution

The fourth proportional to 101,070.20, 151,483.80 and 41,875.40 is: 62,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,070.20 : 151,483.80 = 41,875.40 : x
  2. Step 2: Convert to fraction form
    101,070.20/151,483.80 = 41,875.40/x
  3. Step 3: Cross multiply
    101,070.20x = 151,483.80 × 41,875.40
  4. Step 4: Simplify right side
    101,070.20x = 6,343,444,718.52
  5. Step 5: Solve for x
    x = 6,343,444,718.52/101,070.20
  6. Step 6: Final answer
    x = 62,762.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.