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Finding the Fourth Proportional to 229,707.54, 317,073.83 and 157,153.82

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Solution

The fourth proportional to 229,707.54, 317,073.83 and 157,153.82 is: 216,925.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,707.54 : 317,073.83 = 157,153.82 : x
  2. Step 2: Convert to fraction form
    229,707.54/317,073.83 = 157,153.82/x
  3. Step 3: Cross multiply
    229,707.54x = 317,073.83 × 157,153.82
  4. Step 4: Simplify right side
    229,707.54x = 49,829,361,235.39
  5. Step 5: Solve for x
    x = 49,829,361,235.39/229,707.54
  6. Step 6: Final answer
    x = 216,925.23

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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.