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Finding the Fourth Proportional to 272,298.88, 375,772.45 and 153,066.88

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Solution

The fourth proportional to 272,298.88, 375,772.45 and 153,066.88 is: 211,232.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,298.88 : 375,772.45 = 153,066.88 : x
  2. Step 2: Convert to fraction form
    272,298.88/375,772.45 = 153,066.88/x
  3. Step 3: Cross multiply
    272,298.88x = 375,772.45 × 153,066.88
  4. Step 4: Simplify right side
    272,298.88x = 57,518,314,632.59
  5. Step 5: Solve for x
    x = 57,518,314,632.59/272,298.88
  6. Step 6: Final answer
    x = 211,232.29

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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.