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Finding the Fourth Proportional to 253,413.36, 349,675.85 and 151,417.16

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Solution

The fourth proportional to 253,413.36, 349,675.85 and 151,417.16 is: 208,935.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,413.36 : 349,675.85 = 151,417.16 : x
  2. Step 2: Convert to fraction form
    253,413.36/349,675.85 = 151,417.16/x
  3. Step 3: Cross multiply
    253,413.36x = 349,675.85 × 151,417.16
  4. Step 4: Simplify right side
    253,413.36x = 52,946,921,622.12
  5. Step 5: Solve for x
    x = 52,946,921,622.12/253,413.36
  6. Step 6: Final answer
    x = 208,935.00

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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.