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Finding the Fourth Proportional to 111,569.70, 153,966.07 and 61,268.70

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Solution

The fourth proportional to 111,569.70, 153,966.07 and 61,268.70 is: 84,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,569.70 : 153,966.07 = 61,268.70 : x
  2. Step 2: Convert to fraction form
    111,569.70/153,966.07 = 61,268.70/x
  3. Step 3: Cross multiply
    111,569.70x = 153,966.07 × 61,268.70
  4. Step 4: Simplify right side
    111,569.70x = 9,433,300,953.01
  5. Step 5: Solve for x
    x = 9,433,300,953.01/111,569.70
  6. Step 6: Final answer
    x = 84,550.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.