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Finding the Fourth Proportional to 112,063.60, 168,095.40 and 40,986.10

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Solution

The fourth proportional to 112,063.60, 168,095.40 and 40,986.10 is: 61,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,063.60 : 168,095.40 = 40,986.10 : x
  2. Step 2: Convert to fraction form
    112,063.60/168,095.40 = 40,986.10/x
  3. Step 3: Cross multiply
    112,063.60x = 168,095.40 × 40,986.10
  4. Step 4: Simplify right side
    112,063.60x = 6,889,574,873.94
  5. Step 5: Solve for x
    x = 6,889,574,873.94/112,063.60
  6. Step 6: Final answer
    x = 61,479.15

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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.