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Finding the Fourth Proportional to 255,203.42, 352,180.86 and 147,779.16

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Solution

The fourth proportional to 255,203.42, 352,180.86 and 147,779.16 is: 203,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,203.42 : 352,180.86 = 147,779.16 : x
  2. Step 2: Convert to fraction form
    255,203.42/352,180.86 = 147,779.16/x
  3. Step 3: Cross multiply
    255,203.42x = 352,180.86 × 147,779.16
  4. Step 4: Simplify right side
    255,203.42x = 52,044,991,658.88
  5. Step 5: Solve for x
    x = 52,044,991,658.88/255,203.42
  6. Step 6: Final answer
    x = 203,935.32

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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.