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Finding the Fourth Proportional to 98,609.40, 147,935.70 and 32,038.20

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Solution

The fourth proportional to 98,609.40, 147,935.70 and 32,038.20 is: 48,064.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,609.40 : 147,935.70 = 32,038.20 : x
  2. Step 2: Convert to fraction form
    98,609.40/147,935.70 = 32,038.20/x
  3. Step 3: Cross multiply
    98,609.40x = 147,935.70 × 32,038.20
  4. Step 4: Simplify right side
    98,609.40x = 4,739,593,543.74
  5. Step 5: Solve for x
    x = 4,739,593,543.74/98,609.40
  6. Step 6: Final answer
    x = 48,064.32

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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.