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Finding the Fourth Proportional to 114,101.60, 171,098.40 and 66,730.40

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Solution

The fourth proportional to 114,101.60, 171,098.40 and 66,730.40 is: 100,064.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,101.60 : 171,098.40 = 66,730.40 : x
  2. Step 2: Convert to fraction form
    114,101.60/171,098.40 = 66,730.40/x
  3. Step 3: Cross multiply
    114,101.60x = 171,098.40 × 66,730.40
  4. Step 4: Simplify right side
    114,101.60x = 11,417,464,671.36
  5. Step 5: Solve for x
    x = 11,417,464,671.36/114,101.60
  6. Step 6: Final answer
    x = 100,064.02

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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.