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Finding the Fourth Proportional to 247,074.32, 340,962.53 and 133,897.07

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Solution

The fourth proportional to 247,074.32, 340,962.53 and 133,897.07 is: 184,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,074.32 : 340,962.53 = 133,897.07 : x
  2. Step 2: Convert to fraction form
    247,074.32/340,962.53 = 133,897.07/x
  3. Step 3: Cross multiply
    247,074.32x = 340,962.53 × 133,897.07
  4. Step 4: Simplify right side
    247,074.32x = 45,653,881,372.49
  5. Step 5: Solve for x
    x = 45,653,881,372.49/247,074.32
  6. Step 6: Final answer
    x = 184,777.93

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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.