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Finding the Fourth Proportional to 169,407.81, 233,790.11 and 101,411.62

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Solution

The fourth proportional to 169,407.81, 233,790.11 and 101,411.62 is: 139,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,407.81 : 233,790.11 = 101,411.62 : x
  2. Step 2: Convert to fraction form
    169,407.81/233,790.11 = 101,411.62/x
  3. Step 3: Cross multiply
    169,407.81x = 233,790.11 × 101,411.62
  4. Step 4: Simplify right side
    169,407.81x = 23,709,033,795.08
  5. Step 5: Solve for x
    x = 23,709,033,795.08/169,407.81
  6. Step 6: Final answer
    x = 139,952.42

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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.