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Finding the Fourth Proportional to 98,048.40, 147,024.01 and 34,859.05

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Solution

The fourth proportional to 98,048.40, 147,024.01 and 34,859.05 is: 52,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,048.40 : 147,024.01 = 34,859.05 : x
  2. Step 2: Convert to fraction form
    98,048.40/147,024.01 = 34,859.05/x
  3. Step 3: Cross multiply
    98,048.40x = 147,024.01 × 34,859.05
  4. Step 4: Simplify right side
    98,048.40x = 5,125,117,315.79
  5. Step 5: Solve for x
    x = 5,125,117,315.79/98,048.40
  6. Step 6: Final answer
    x = 52,271.30

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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.