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Finding the Fourth Proportional to 346,070.55, 519,102.57 and 109,413.26

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Solution

The fourth proportional to 346,070.55, 519,102.57 and 109,413.26 is: 164,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,070.55 : 519,102.57 = 109,413.26 : x
  2. Step 2: Convert to fraction form
    346,070.55/519,102.57 = 109,413.26/x
  3. Step 3: Cross multiply
    346,070.55x = 519,102.57 × 109,413.26
  4. Step 4: Simplify right side
    346,070.55x = 56,796,701,862.57
  5. Step 5: Solve for x
    x = 56,796,701,862.57/346,070.55
  6. Step 6: Final answer
    x = 164,118.85

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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.