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Finding the Fourth Proportional to 116,283.60, 160,458.12 and 68,533.20

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Solution

The fourth proportional to 116,283.60, 160,458.12 and 68,533.20 is: 94,568.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,283.60 : 160,458.12 = 68,533.20 : x
  2. Step 2: Convert to fraction form
    116,283.60/160,458.12 = 68,533.20/x
  3. Step 3: Cross multiply
    116,283.60x = 160,458.12 × 68,533.20
  4. Step 4: Simplify right side
    116,283.60x = 10,996,708,429.58
  5. Step 5: Solve for x
    x = 10,996,708,429.58/116,283.60
  6. Step 6: Final answer
    x = 94,568.01

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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.