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Finding the Fourth Proportional to 174,277.80, 261,675.90 and 134,879.40

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Solution

The fourth proportional to 174,277.80, 261,675.90 and 134,879.40 is: 202,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,277.80 : 261,675.90 = 134,879.40 : x
  2. Step 2: Convert to fraction form
    174,277.80/261,675.90 = 134,879.40/x
  3. Step 3: Cross multiply
    174,277.80x = 261,675.90 × 134,879.40
  4. Step 4: Simplify right side
    174,277.80x = 35,294,688,386.46
  5. Step 5: Solve for x
    x = 35,294,688,386.46/174,277.80
  6. Step 6: Final answer
    x = 202,519.70

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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.