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Finding the Fourth Proportional to 197,938.80, 296,713.80 and 98,114.40

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Solution

The fourth proportional to 197,938.80, 296,713.80 and 98,114.40 is: 147,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,938.80 : 296,713.80 = 98,114.40 : x
  2. Step 2: Convert to fraction form
    197,938.80/296,713.80 = 98,114.40/x
  3. Step 3: Cross multiply
    197,938.80x = 296,713.80 × 98,114.40
  4. Step 4: Simplify right side
    197,938.80x = 29,111,896,458.72
  5. Step 5: Solve for x
    x = 29,111,896,458.72/197,938.80
  6. Step 6: Final answer
    x = 147,075.24

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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.