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Finding the Fourth Proportional to 174,570.93, 240,905.70 and 99,114.57

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Solution

The fourth proportional to 174,570.93, 240,905.70 and 99,114.57 is: 136,776.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,570.93 : 240,905.70 = 99,114.57 : x
  2. Step 2: Convert to fraction form
    174,570.93/240,905.70 = 99,114.57/x
  3. Step 3: Cross multiply
    174,570.93x = 240,905.70 × 99,114.57
  4. Step 4: Simplify right side
    174,570.93x = 23,877,264,866.05
  5. Step 5: Solve for x
    x = 23,877,264,866.05/174,570.93
  6. Step 6: Final answer
    x = 136,776.87

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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.