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Finding the Fourth Proportional to 170,332.98, 235,059.53 and 98,754.54

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Solution

The fourth proportional to 170,332.98, 235,059.53 and 98,754.54 is: 136,281.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,332.98 : 235,059.53 = 98,754.54 : x
  2. Step 2: Convert to fraction form
    170,332.98/235,059.53 = 98,754.54/x
  3. Step 3: Cross multiply
    170,332.98x = 235,059.53 × 98,754.54
  4. Step 4: Simplify right side
    170,332.98x = 23,213,195,263.99
  5. Step 5: Solve for x
    x = 23,213,195,263.99/170,332.98
  6. Step 6: Final answer
    x = 136,281.27

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1.5x scale

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.