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Finding the Fourth Proportional to 174,009.75, 260,973.59 and 98,140.83

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Solution

The fourth proportional to 174,009.75, 260,973.59 and 98,140.83 is: 147,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,009.75 : 260,973.59 = 98,140.83 : x
  2. Step 2: Convert to fraction form
    174,009.75/260,973.59 = 98,140.83/x
  3. Step 3: Cross multiply
    174,009.75x = 260,973.59 × 98,140.83
  4. Step 4: Simplify right side
    174,009.75x = 25,612,164,239.98
  5. Step 5: Solve for x
    x = 25,612,164,239.98/174,009.75
  6. Step 6: Final answer
    x = 147,188.10

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1.5x scale

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.