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Finding the Fourth Proportional to 104,938.40, 147,282.40 and 104,938.40

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Solution

The fourth proportional to 104,938.40, 147,282.40 and 104,938.40 is: 147,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,938.40 : 147,282.40 = 104,938.40 : x
  2. Step 2: Convert to fraction form
    104,938.40/147,282.40 = 104,938.40/x
  3. Step 3: Cross multiply
    104,938.40x = 147,282.40 × 104,938.40
  4. Step 4: Simplify right side
    104,938.40x = 15,455,579,404.16
  5. Step 5: Solve for x
    x = 15,455,579,404.16/104,938.40
  6. Step 6: Final answer
    x = 147,282.40

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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.