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Finding the Fourth Proportional to 173,866.10, 260,896.35 and 74,009.30

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Solution

The fourth proportional to 173,866.10, 260,896.35 and 74,009.30 is: 111,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,866.10 : 260,896.35 = 74,009.30 : x
  2. Step 2: Convert to fraction form
    173,866.10/260,896.35 = 74,009.30/x
  3. Step 3: Cross multiply
    173,866.10x = 260,896.35 × 74,009.30
  4. Step 4: Simplify right side
    173,866.10x = 19,308,756,236.06
  5. Step 5: Solve for x
    x = 19,308,756,236.06/173,866.10
  6. Step 6: Final answer
    x = 111,055.32

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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.