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Finding the Fourth Proportional to 235,386.72, 324,835.20 and 127,957.68

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Solution

The fourth proportional to 235,386.72, 324,835.20 and 127,957.68 is: 176,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,386.72 : 324,835.20 = 127,957.68 : x
  2. Step 2: Convert to fraction form
    235,386.72/324,835.20 = 127,957.68/x
  3. Step 3: Cross multiply
    235,386.72x = 324,835.20 × 127,957.68
  4. Step 4: Simplify right side
    235,386.72x = 41,565,158,574.34
  5. Step 5: Solve for x
    x = 41,565,158,574.34/235,386.72
  6. Step 6: Final answer
    x = 176,582.43

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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.