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Finding the Fourth Proportional to 173,873.40, 260,615.70 and 99,029.40

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Solution

The fourth proportional to 173,873.40, 260,615.70 and 99,029.40 is: 148,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,873.40 : 260,615.70 = 99,029.40 : x
  2. Step 2: Convert to fraction form
    173,873.40/260,615.70 = 99,029.40/x
  3. Step 3: Cross multiply
    173,873.40x = 260,615.70 × 99,029.40
  4. Step 4: Simplify right side
    173,873.40x = 25,808,616,401.58
  5. Step 5: Solve for x
    x = 25,808,616,401.58/173,873.40
  6. Step 6: Final answer
    x = 148,433.38

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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.