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Finding the Fourth Proportional to 255,307.68, 352,337.04 and 147,858.48

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Solution

The fourth proportional to 255,307.68, 352,337.04 and 147,858.48 is: 204,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,307.68 : 352,337.04 = 147,858.48 : x
  2. Step 2: Convert to fraction form
    255,307.68/352,337.04 = 147,858.48/x
  3. Step 3: Cross multiply
    255,307.68x = 352,337.04 × 147,858.48
  4. Step 4: Simplify right side
    255,307.68x = 52,096,019,182.10
  5. Step 5: Solve for x
    x = 52,096,019,182.10/255,307.68
  6. Step 6: Final answer
    x = 204,051.91

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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.