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Finding the Fourth Proportional to 173,692.50, 239,695.65 and 98,239.38

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Solution

The fourth proportional to 173,692.50, 239,695.65 and 98,239.38 is: 135,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,692.50 : 239,695.65 = 98,239.38 : x
  2. Step 2: Convert to fraction form
    173,692.50/239,695.65 = 98,239.38/x
  3. Step 3: Cross multiply
    173,692.50x = 239,695.65 × 98,239.38
  4. Step 4: Simplify right side
    173,692.50x = 23,547,552,044.70
  5. Step 5: Solve for x
    x = 23,547,552,044.70/173,692.50
  6. Step 6: Final answer
    x = 135,570.34

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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.