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Finding the Fourth Proportional to 104,413.53, 144,090.68 and 56,666.88

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Solution

The fourth proportional to 104,413.53, 144,090.68 and 56,666.88 is: 78,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,413.53 : 144,090.68 = 56,666.88 : x
  2. Step 2: Convert to fraction form
    104,413.53/144,090.68 = 56,666.88/x
  3. Step 3: Cross multiply
    104,413.53x = 144,090.68 × 56,666.88
  4. Step 4: Simplify right side
    104,413.53x = 8,165,168,989.34
  5. Step 5: Solve for x
    x = 8,165,168,989.34/104,413.53
  6. Step 6: Final answer
    x = 78,200.29

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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.