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Finding the Fourth Proportional to 169,413.80, 233,751.79 and 101,404.91

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Solution

The fourth proportional to 169,413.80, 233,751.79 and 101,404.91 is: 139,915.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,413.80 : 233,751.79 = 101,404.91 : x
  2. Step 2: Convert to fraction form
    169,413.80/233,751.79 = 101,404.91/x
  3. Step 3: Cross multiply
    169,413.80x = 233,751.79 × 101,404.91
  4. Step 4: Simplify right side
    169,413.80x = 23,703,579,938.42
  5. Step 5: Solve for x
    x = 23,703,579,938.42/169,413.80
  6. Step 6: Final answer
    x = 139,915.29

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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.