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Finding the Fourth Proportional to 169,216.61, 233,457.14 and 101,235.54

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Solution

The fourth proportional to 169,216.61, 233,457.14 and 101,235.54 is: 139,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,216.61 : 233,457.14 = 101,235.54 : x
  2. Step 2: Convert to fraction form
    169,216.61/233,457.14 = 101,235.54/x
  3. Step 3: Cross multiply
    169,216.61x = 233,457.14 × 101,235.54
  4. Step 4: Simplify right side
    169,216.61x = 23,634,159,634.76
  5. Step 5: Solve for x
    x = 23,634,159,634.76/169,216.61
  6. Step 6: Final answer
    x = 139,668.08

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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.