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Finding the Fourth Proportional to 114,685.98, 172,028.98 and 35,806.97

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Solution

The fourth proportional to 114,685.98, 172,028.98 and 35,806.97 is: 53,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,685.98 : 172,028.98 = 35,806.97 : x
  2. Step 2: Convert to fraction form
    114,685.98/172,028.98 = 35,806.97/x
  3. Step 3: Cross multiply
    114,685.98x = 172,028.98 × 35,806.97
  4. Step 4: Simplify right side
    114,685.98x = 6,159,835,831.74
  5. Step 5: Solve for x
    x = 6,159,835,831.74/114,685.98
  6. Step 6: Final answer
    x = 53,710.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.