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Finding the Fourth Proportional to 104,929.40, 147,269.80 and 104,929.40

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Solution

The fourth proportional to 104,929.40, 147,269.80 and 104,929.40 is: 147,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,929.40 : 147,269.80 = 104,929.40 : x
  2. Step 2: Convert to fraction form
    104,929.40/147,269.80 = 104,929.40/x
  3. Step 3: Cross multiply
    104,929.40x = 147,269.80 × 104,929.40
  4. Step 4: Simplify right side
    104,929.40x = 15,452,931,752.12
  5. Step 5: Solve for x
    x = 15,452,931,752.12/104,929.40
  6. Step 6: Final answer
    x = 147,269.80

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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.