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Finding the Fourth Proportional to 216,917.60, 325,030.80 and 160,930.40

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Solution

The fourth proportional to 216,917.60, 325,030.80 and 160,930.40 is: 241,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,917.60 : 325,030.80 = 160,930.40 : x
  2. Step 2: Convert to fraction form
    216,917.60/325,030.80 = 160,930.40/x
  3. Step 3: Cross multiply
    216,917.60x = 325,030.80 × 160,930.40
  4. Step 4: Simplify right side
    216,917.60x = 52,307,336,656.32
  5. Step 5: Solve for x
    x = 52,307,336,656.32/216,917.60
  6. Step 6: Final answer
    x = 241,139.20

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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.