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Finding the Fourth Proportional to 223,280.70, 334,915.65 and 134,466.90

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Solution

The fourth proportional to 223,280.70, 334,915.65 and 134,466.90 is: 201,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,280.70 : 334,915.65 = 134,466.90 : x
  2. Step 2: Convert to fraction form
    223,280.70/334,915.65 = 134,466.90/x
  3. Step 3: Cross multiply
    223,280.70x = 334,915.65 × 134,466.90
  4. Step 4: Simplify right side
    223,280.70x = 45,035,069,216.99
  5. Step 5: Solve for x
    x = 45,035,069,216.99/223,280.70
  6. Step 6: Final answer
    x = 201,697.10

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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.