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Finding the Fourth Proportional to 157,413.78, 235,971.90 and 62,702.44

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Solution

The fourth proportional to 157,413.78, 235,971.90 and 62,702.44 is: 93,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,413.78 : 235,971.90 = 62,702.44 : x
  2. Step 2: Convert to fraction form
    157,413.78/235,971.90 = 62,702.44/x
  3. Step 3: Cross multiply
    157,413.78x = 235,971.90 × 62,702.44
  4. Step 4: Simplify right side
    157,413.78x = 14,796,013,311.51
  5. Step 5: Solve for x
    x = 14,796,013,311.51/157,413.78
  6. Step 6: Final answer
    x = 93,994.40

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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.