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Finding the Fourth Proportional to 70,005.30, 104,862.15 and 70,005.30

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Solution

The fourth proportional to 70,005.30, 104,862.15 and 70,005.30 is: 104,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,005.30 : 104,862.15 = 70,005.30 : x
  2. Step 2: Convert to fraction form
    70,005.30/104,862.15 = 70,005.30/x
  3. Step 3: Cross multiply
    70,005.30x = 104,862.15 × 70,005.30
  4. Step 4: Simplify right side
    70,005.30x = 7,340,906,269.40
  5. Step 5: Solve for x
    x = 7,340,906,269.40/70,005.30
  6. Step 6: Final answer
    x = 104,862.15

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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.