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Finding the Fourth Proportional to 194,574.40, 291,861.60 and 124,590.40

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Solution

The fourth proportional to 194,574.40, 291,861.60 and 124,590.40 is: 186,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,574.40 : 291,861.60 = 124,590.40 : x
  2. Step 2: Convert to fraction form
    194,574.40/291,861.60 = 124,590.40/x
  3. Step 3: Cross multiply
    194,574.40x = 291,861.60 × 124,590.40
  4. Step 4: Simplify right side
    194,574.40x = 36,363,153,488.64
  5. Step 5: Solve for x
    x = 36,363,153,488.64/194,574.40
  6. Step 6: Final answer
    x = 186,885.60

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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.