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Finding the Fourth Proportional to 201,440.01, 301,895.15 and 83,045.55

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Solution

The fourth proportional to 201,440.01, 301,895.15 and 83,045.55 is: 124,459.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,440.01 : 301,895.15 = 83,045.55 : x
  2. Step 2: Convert to fraction form
    201,440.01/301,895.15 = 83,045.55/x
  3. Step 3: Cross multiply
    201,440.01x = 301,895.15 × 83,045.55
  4. Step 4: Simplify right side
    201,440.01x = 25,071,049,958.09
  5. Step 5: Solve for x
    x = 25,071,049,958.09/201,440.01
  6. Step 6: Final answer
    x = 124,459.14

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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.