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Finding the Fourth Proportional to 215,341.40, 297,168.16 and 119,848.08

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Solution

The fourth proportional to 215,341.40, 297,168.16 and 119,848.08 is: 165,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,341.40 : 297,168.16 = 119,848.08 : x
  2. Step 2: Convert to fraction form
    215,341.40/297,168.16 = 119,848.08/x
  3. Step 3: Cross multiply
    215,341.40x = 297,168.16 × 119,848.08
  4. Step 4: Simplify right side
    215,341.40x = 35,615,033,413.13
  5. Step 5: Solve for x
    x = 35,615,033,413.13/215,341.40
  6. Step 6: Final answer
    x = 165,388.70

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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.