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Finding the Fourth Proportional to 100,368.32, 151,463.32 and 97,022.21

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Solution

The fourth proportional to 100,368.32, 151,463.32 and 97,022.21 is: 146,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,368.32 : 151,463.32 = 97,022.21 : x
  2. Step 2: Convert to fraction form
    100,368.32/151,463.32 = 97,022.21/x
  3. Step 3: Cross multiply
    100,368.32x = 151,463.32 × 97,022.21
  4. Step 4: Simplify right side
    100,368.32x = 14,695,305,040.47
  5. Step 5: Solve for x
    x = 14,695,305,040.47/100,368.32
  6. Step 6: Final answer
    x = 146,413.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.