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Finding the Fourth Proportional to 112,062.60, 168,093.90 and 40,985.10

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Solution

The fourth proportional to 112,062.60, 168,093.90 and 40,985.10 is: 61,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,062.60 : 168,093.90 = 40,985.10 : x
  2. Step 2: Convert to fraction form
    112,062.60/168,093.90 = 40,985.10/x
  3. Step 3: Cross multiply
    112,062.60x = 168,093.90 × 40,985.10
  4. Step 4: Simplify right side
    112,062.60x = 6,889,345,300.89
  5. Step 5: Solve for x
    x = 6,889,345,300.89/112,062.60
  6. Step 6: Final answer
    x = 61,477.65

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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.