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Finding the Fourth Proportional to 255,144.48, 352,053.99 and 147,709.32

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Solution

The fourth proportional to 255,144.48, 352,053.99 and 147,709.32 is: 203,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,144.48 : 352,053.99 = 147,709.32 : x
  2. Step 2: Convert to fraction form
    255,144.48/352,053.99 = 147,709.32/x
  3. Step 3: Cross multiply
    255,144.48x = 352,053.99 × 147,709.32
  4. Step 4: Simplify right side
    255,144.48x = 52,001,655,466.19
  5. Step 5: Solve for x
    x = 52,001,655,466.19/255,144.48
  6. Step 6: Final answer
    x = 203,812.58

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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.