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Finding the Fourth Proportional to 202,955.10, 280,079.01 and 118,075.20

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Solution

The fourth proportional to 202,955.10, 280,079.01 and 118,075.20 is: 162,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,955.10 : 280,079.01 = 118,075.20 : x
  2. Step 2: Convert to fraction form
    202,955.10/280,079.01 = 118,075.20/x
  3. Step 3: Cross multiply
    202,955.10x = 280,079.01 × 118,075.20
  4. Step 4: Simplify right side
    202,955.10x = 33,070,385,121.55
  5. Step 5: Solve for x
    x = 33,070,385,121.55/202,955.10
  6. Step 6: Final answer
    x = 162,944.34

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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.