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Finding the Fourth Proportional to 108,598.95, 162,938.93 and 45,426.24

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Solution

The fourth proportional to 108,598.95, 162,938.93 and 45,426.24 is: 68,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,598.95 : 162,938.93 = 45,426.24 : x
  2. Step 2: Convert to fraction form
    108,598.95/162,938.93 = 45,426.24/x
  3. Step 3: Cross multiply
    108,598.95x = 162,938.93 × 45,426.24
  4. Step 4: Simplify right side
    108,598.95x = 7,401,702,712.39
  5. Step 5: Solve for x
    x = 7,401,702,712.39/108,598.95
  6. Step 6: Final answer
    x = 68,156.30

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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.