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Finding the Fourth Proportional to 119,351.83, 164,695.73 and 70,285.73

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Solution

The fourth proportional to 119,351.83, 164,695.73 and 70,285.73 is: 96,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,351.83 : 164,695.73 = 70,285.73 : x
  2. Step 2: Convert to fraction form
    119,351.83/164,695.73 = 70,285.73/x
  3. Step 3: Cross multiply
    119,351.83x = 164,695.73 × 70,285.73
  4. Step 4: Simplify right side
    119,351.83x = 11,575,758,831.38
  5. Step 5: Solve for x
    x = 11,575,758,831.38/119,351.83
  6. Step 6: Final answer
    x = 96,988.53

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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.