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Finding the Fourth Proportional to 255,695.00, 383,547.96 and 66,159.45

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Solution

The fourth proportional to 255,695.00, 383,547.96 and 66,159.45 is: 99,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,695.00 : 383,547.96 = 66,159.45 : x
  2. Step 2: Convert to fraction form
    255,695.00/383,547.96 = 66,159.45/x
  3. Step 3: Cross multiply
    255,695.00x = 383,547.96 × 66,159.45
  4. Step 4: Simplify right side
    255,695.00x = 25,375,322,082.22
  5. Step 5: Solve for x
    x = 25,375,322,082.22/255,695.00
  6. Step 6: Final answer
    x = 99,240.59

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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.