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Finding the Fourth Proportional to 109,246.01, 150,762.36 and 61,501.10

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Solution

The fourth proportional to 109,246.01, 150,762.36 and 61,501.10 is: 84,873.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,246.01 : 150,762.36 = 61,501.10 : x
  2. Step 2: Convert to fraction form
    109,246.01/150,762.36 = 61,501.10/x
  3. Step 3: Cross multiply
    109,246.01x = 150,762.36 × 61,501.10
  4. Step 4: Simplify right side
    109,246.01x = 9,272,050,978.60
  5. Step 5: Solve for x
    x = 9,272,050,978.60/109,246.01
  6. Step 6: Final answer
    x = 84,873.13

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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.