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Finding the Fourth Proportional to 112,258.80, 168,411.60 and 37,402.20

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Solution

The fourth proportional to 112,258.80, 168,411.60 and 37,402.20 is: 56,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,258.80 : 168,411.60 = 37,402.20 : x
  2. Step 2: Convert to fraction form
    112,258.80/168,411.60 = 37,402.20/x
  3. Step 3: Cross multiply
    112,258.80x = 168,411.60 × 37,402.20
  4. Step 4: Simplify right side
    112,258.80x = 6,298,964,345.52
  5. Step 5: Solve for x
    x = 6,298,964,345.52/112,258.80
  6. Step 6: Final answer
    x = 56,111.10

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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.