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Finding the Fourth Proportional to 173,692.10, 239,699.40 and 97,210.55

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Solution

The fourth proportional to 173,692.10, 239,699.40 and 97,210.55 is: 134,152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,692.10 : 239,699.40 = 97,210.55 : x
  2. Step 2: Convert to fraction form
    173,692.10/239,699.40 = 97,210.55/x
  3. Step 3: Cross multiply
    173,692.10x = 239,699.40 × 97,210.55
  4. Step 4: Simplify right side
    173,692.10x = 23,301,310,508.67
  5. Step 5: Solve for x
    x = 23,301,310,508.67/173,692.10
  6. Step 6: Final answer
    x = 134,152.97

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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.