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Finding the Fourth Proportional to 74,701.40, 104,844.40 and 74,701.40

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Solution

The fourth proportional to 74,701.40, 104,844.40 and 74,701.40 is: 104,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,701.40 : 104,844.40 = 74,701.40 : x
  2. Step 2: Convert to fraction form
    74,701.40/104,844.40 = 74,701.40/x
  3. Step 3: Cross multiply
    74,701.40x = 104,844.40 × 74,701.40
  4. Step 4: Simplify right side
    74,701.40x = 7,832,023,462.16
  5. Step 5: Solve for x
    x = 7,832,023,462.16/74,701.40
  6. Step 6: Final answer
    x = 104,844.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.