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Finding the Fourth Proportional to 70,370.54, 105,626.94 and 62,417.45

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Solution

The fourth proportional to 70,370.54, 105,626.94 and 62,417.45 is: 93,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,370.54 : 105,626.94 = 62,417.45 : x
  2. Step 2: Convert to fraction form
    70,370.54/105,626.94 = 62,417.45/x
  3. Step 3: Cross multiply
    70,370.54x = 105,626.94 × 62,417.45
  4. Step 4: Simplify right side
    70,370.54x = 6,592,964,276.10
  5. Step 5: Solve for x
    x = 6,592,964,276.10/70,370.54
  6. Step 6: Final answer
    x = 93,689.27

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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.