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Finding the Fourth Proportional to 192,070.20, 265,055.16 and 106,030.20

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Solution

The fourth proportional to 192,070.20, 265,055.16 and 106,030.20 is: 146,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,070.20 : 265,055.16 = 106,030.20 : x
  2. Step 2: Convert to fraction form
    192,070.20/265,055.16 = 106,030.20/x
  3. Step 3: Cross multiply
    192,070.20x = 265,055.16 × 106,030.20
  4. Step 4: Simplify right side
    192,070.20x = 28,103,851,625.83
  5. Step 5: Solve for x
    x = 28,103,851,625.83/192,070.20
  6. Step 6: Final answer
    x = 146,320.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.