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Finding the Fourth Proportional to 260,992.13, 360,152.09 and 153,541.40

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Solution

The fourth proportional to 260,992.13, 360,152.09 and 153,541.40 is: 211,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,992.13 : 360,152.09 = 153,541.40 : x
  2. Step 2: Convert to fraction form
    260,992.13/360,152.09 = 153,541.40/x
  3. Step 3: Cross multiply
    260,992.13x = 360,152.09 × 153,541.40
  4. Step 4: Simplify right side
    260,992.13x = 55,298,255,343.82
  5. Step 5: Solve for x
    x = 55,298,255,343.82/260,992.13
  6. Step 6: Final answer
    x = 211,877.10

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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.