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Finding the Fourth Proportional to 98,323.92, 147,487.50 and 28,203.26

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Solution

The fourth proportional to 98,323.92, 147,487.50 and 28,203.26 is: 42,305.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,323.92 : 147,487.50 = 28,203.26 : x
  2. Step 2: Convert to fraction form
    98,323.92/147,487.50 = 28,203.26/x
  3. Step 3: Cross multiply
    98,323.92x = 147,487.50 × 28,203.26
  4. Step 4: Simplify right side
    98,323.92x = 4,159,627,571.81
  5. Step 5: Solve for x
    x = 4,159,627,571.81/98,323.92
  6. Step 6: Final answer
    x = 42,305.35

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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.