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Finding the Fourth Proportional to 174,017.70, 261,026.43 and 42,689.70

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Solution

The fourth proportional to 174,017.70, 261,026.43 and 42,689.70 is: 64,034.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,017.70 : 261,026.43 = 42,689.70 : x
  2. Step 2: Convert to fraction form
    174,017.70/261,026.43 = 42,689.70/x
  3. Step 3: Cross multiply
    174,017.70x = 261,026.43 × 42,689.70
  4. Step 4: Simplify right side
    174,017.70x = 11,143,139,988.77
  5. Step 5: Solve for x
    x = 11,143,139,988.77/174,017.70
  6. Step 6: Final answer
    x = 64,034.52

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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.