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Finding the Fourth Proportional to 173,851.80, 260,810.10 and 55,556.70

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Solution

The fourth proportional to 173,851.80, 260,810.10 and 55,556.70 is: 83,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,851.80 : 260,810.10 = 55,556.70 : x
  2. Step 2: Convert to fraction form
    173,851.80/260,810.10 = 55,556.70/x
  3. Step 3: Cross multiply
    173,851.80x = 260,810.10 × 55,556.70
  4. Step 4: Simplify right side
    173,851.80x = 14,489,748,482.67
  5. Step 5: Solve for x
    x = 14,489,748,482.67/173,851.80
  6. Step 6: Final answer
    x = 83,345.40

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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.