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Finding the Fourth Proportional to 254,675.86, 351,495.98 and 147,311.16

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Solution

The fourth proportional to 254,675.86, 351,495.98 and 147,311.16 is: 203,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,675.86 : 351,495.98 = 147,311.16 : x
  2. Step 2: Convert to fraction form
    254,675.86/351,495.98 = 147,311.16/x
  3. Step 3: Cross multiply
    254,675.86x = 351,495.98 × 147,311.16
  4. Step 4: Simplify right side
    254,675.86x = 51,779,280,549.14
  5. Step 5: Solve for x
    x = 51,779,280,549.14/254,675.86
  6. Step 6: Final answer
    x = 203,314.44

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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.