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Finding the Fourth Proportional to 194,461.40, 291,692.10 and 163,357.40

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Solution

The fourth proportional to 194,461.40, 291,692.10 and 163,357.40 is: 245,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,461.40 : 291,692.10 = 163,357.40 : x
  2. Step 2: Convert to fraction form
    194,461.40/291,692.10 = 163,357.40/x
  3. Step 3: Cross multiply
    194,461.40x = 291,692.10 × 163,357.40
  4. Step 4: Simplify right side
    194,461.40x = 47,650,063,056.54
  5. Step 5: Solve for x
    x = 47,650,063,056.54/194,461.40
  6. Step 6: Final answer
    x = 245,036.10

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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.