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Finding the Fourth Proportional to 202,210.68, 279,053.58 and 111,570.60

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Solution

The fourth proportional to 202,210.68, 279,053.58 and 111,570.60 is: 153,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,210.68 : 279,053.58 = 111,570.60 : x
  2. Step 2: Convert to fraction form
    202,210.68/279,053.58 = 111,570.60/x
  3. Step 3: Cross multiply
    202,210.68x = 279,053.58 × 111,570.60
  4. Step 4: Simplify right side
    202,210.68x = 31,134,175,352.75
  5. Step 5: Solve for x
    x = 31,134,175,352.75/202,210.68
  6. Step 6: Final answer
    x = 153,969.00

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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.