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Finding the Fourth Proportional to 174,564.66, 240,899.51 and 99,113.16

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Solution

The fourth proportional to 174,564.66, 240,899.51 and 99,113.16 is: 136,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,564.66 : 240,899.51 = 99,113.16 : x
  2. Step 2: Convert to fraction form
    174,564.66/240,899.51 = 99,113.16/x
  3. Step 3: Cross multiply
    174,564.66x = 240,899.51 × 99,113.16
  4. Step 4: Simplify right side
    174,564.66x = 23,876,310,474.05
  5. Step 5: Solve for x
    x = 23,876,310,474.05/174,564.66
  6. Step 6: Final answer
    x = 136,776.32

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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.