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Finding the Fourth Proportional to 194,603.60, 291,905.40 and 164,536.40

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Solution

The fourth proportional to 194,603.60, 291,905.40 and 164,536.40 is: 246,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,603.60 : 291,905.40 = 164,536.40 : x
  2. Step 2: Convert to fraction form
    194,603.60/291,905.40 = 164,536.40/x
  3. Step 3: Cross multiply
    194,603.60x = 291,905.40 × 164,536.40
  4. Step 4: Simplify right side
    194,603.60x = 48,029,063,656.56
  5. Step 5: Solve for x
    x = 48,029,063,656.56/194,603.60
  6. Step 6: Final answer
    x = 246,804.60

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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.