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Finding the Fourth Proportional to 109,233.51, 163,866.40 and 55,955.62

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Solution

The fourth proportional to 109,233.51, 163,866.40 and 55,955.62 is: 83,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,233.51 : 163,866.40 = 55,955.62 : x
  2. Step 2: Convert to fraction form
    109,233.51/163,866.40 = 55,955.62/x
  3. Step 3: Cross multiply
    109,233.51x = 163,866.40 × 55,955.62
  4. Step 4: Simplify right side
    109,233.51x = 9,169,246,074.11
  5. Step 5: Solve for x
    x = 9,169,246,074.11/109,233.51
  6. Step 6: Final answer
    x = 83,941.70

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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.