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Finding the Fourth Proportional to 118,368.10, 163,362.03 and 67,393.09

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Solution

The fourth proportional to 118,368.10, 163,362.03 and 67,393.09 is: 93,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,368.10 : 163,362.03 = 67,393.09 : x
  2. Step 2: Convert to fraction form
    118,368.10/163,362.03 = 67,393.09/x
  3. Step 3: Cross multiply
    118,368.10x = 163,362.03 × 67,393.09
  4. Step 4: Simplify right side
    118,368.10x = 11,009,471,990.37
  5. Step 5: Solve for x
    x = 11,009,471,990.37/118,368.10
  6. Step 6: Final answer
    x = 93,010.46

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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.