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Finding the Fourth Proportional to 209,410.90, 314,112.30 and 59,652.16

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Solution

The fourth proportional to 209,410.90, 314,112.30 and 59,652.16 is: 89,477.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,410.90 : 314,112.30 = 59,652.16 : x
  2. Step 2: Convert to fraction form
    209,410.90/314,112.30 = 59,652.16/x
  3. Step 3: Cross multiply
    209,410.90x = 314,112.30 × 59,652.16
  4. Step 4: Simplify right side
    209,410.90x = 18,737,476,168.59
  5. Step 5: Solve for x
    x = 18,737,476,168.59/209,410.90
  6. Step 6: Final answer
    x = 89,477.08

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1.5x scale

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.