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Finding the Fourth Proportional to 169,907.64, 254,959.74 and 70,049.22

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Solution

The fourth proportional to 169,907.64, 254,959.74 and 70,049.22 is: 105,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,907.64 : 254,959.74 = 70,049.22 : x
  2. Step 2: Convert to fraction form
    169,907.64/254,959.74 = 70,049.22/x
  3. Step 3: Cross multiply
    169,907.64x = 254,959.74 × 70,049.22
  4. Step 4: Simplify right side
    169,907.64x = 17,859,730,918.40
  5. Step 5: Solve for x
    x = 17,859,730,918.40/169,907.64
  6. Step 6: Final answer
    x = 105,114.35

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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.