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Finding the Fourth Proportional to 163,487.50, 245,230.92 and 45,158.49

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Solution

The fourth proportional to 163,487.50, 245,230.92 and 45,158.49 is: 67,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,487.50 : 245,230.92 = 45,158.49 : x
  2. Step 2: Convert to fraction form
    163,487.50/245,230.92 = 45,158.49/x
  3. Step 3: Cross multiply
    163,487.50x = 245,230.92 × 45,158.49
  4. Step 4: Simplify right side
    163,487.50x = 11,074,258,048.51
  5. Step 5: Solve for x
    x = 11,074,258,048.51/163,487.50
  6. Step 6: Final answer
    x = 67,737.64

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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.