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Finding the Fourth Proportional to 265,852.01, 398,775.95 and 66,171.06

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Solution

The fourth proportional to 265,852.01, 398,775.95 and 66,171.06 is: 99,256.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,852.01 : 398,775.95 = 66,171.06 : x
  2. Step 2: Convert to fraction form
    265,852.01/398,775.95 = 66,171.06/x
  3. Step 3: Cross multiply
    265,852.01x = 398,775.95 × 66,171.06
  4. Step 4: Simplify right side
    265,852.01x = 26,387,427,314.01
  5. Step 5: Solve for x
    x = 26,387,427,314.01/265,852.01
  6. Step 6: Final answer
    x = 99,256.08

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1.5x scale

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.