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Finding the Fourth Proportional to 147,637, 203,750.01 and 83,995.30

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Solution

The fourth proportional to 147,637, 203,750.01 and 83,995.30 is: 115,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,637 : 203,750.01 = 83,995.30 : x
  2. Step 2: Convert to fraction form
    147,637/203,750.01 = 83,995.30/x
  3. Step 3: Cross multiply
    147,637x = 203,750.01 × 83,995.30
  4. Step 4: Simplify right side
    147,637x = 17,114,043,214.95
  5. Step 5: Solve for x
    x = 17,114,043,214.95/147,637
  6. Step 6: Final answer
    x = 115,919.74

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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.