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Finding the Fourth Proportional to 116,100.40, 174,228.24 and 42,228.40

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Solution

The fourth proportional to 116,100.40, 174,228.24 and 42,228.40 is: 63,370.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,100.40 : 174,228.24 = 42,228.40 : x
  2. Step 2: Convert to fraction form
    116,100.40/174,228.24 = 42,228.40/x
  3. Step 3: Cross multiply
    116,100.40x = 174,228.24 × 42,228.40
  4. Step 4: Simplify right side
    116,100.40x = 7,357,379,810.02
  5. Step 5: Solve for x
    x = 7,357,379,810.02/116,100.40
  6. Step 6: Final answer
    x = 63,370.84

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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.