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Finding the Fourth Proportional to 103,358.70, 155,038.05 and 44,200.35

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Solution

The fourth proportional to 103,358.70, 155,038.05 and 44,200.35 is: 66,300.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,358.70 : 155,038.05 = 44,200.35 : x
  2. Step 2: Convert to fraction form
    103,358.70/155,038.05 = 44,200.35/x
  3. Step 3: Cross multiply
    103,358.70x = 155,038.05 × 44,200.35
  4. Step 4: Simplify right side
    103,358.70x = 6,852,736,073.32
  5. Step 5: Solve for x
    x = 6,852,736,073.32/103,358.70
  6. Step 6: Final answer
    x = 66,300.53

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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.