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Finding the Fourth Proportional to 112,460.73, 155,192.91 and 61,473.59

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Solution

The fourth proportional to 112,460.73, 155,192.91 and 61,473.59 is: 84,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,460.73 : 155,192.91 = 61,473.59 : x
  2. Step 2: Convert to fraction form
    112,460.73/155,192.91 = 61,473.59/x
  3. Step 3: Cross multiply
    112,460.73x = 155,192.91 × 61,473.59
  4. Step 4: Simplify right side
    112,460.73x = 9,540,264,544.28
  5. Step 5: Solve for x
    x = 9,540,264,544.28/112,460.73
  6. Step 6: Final answer
    x = 84,831.96

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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.