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Finding the Fourth Proportional to 299,094.71, 448,726.82 and 121,729.01

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Solution

The fourth proportional to 299,094.71, 448,726.82 and 121,729.01 is: 182,628.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,094.71 : 448,726.82 = 121,729.01 : x
  2. Step 2: Convert to fraction form
    299,094.71/448,726.82 = 121,729.01/x
  3. Step 3: Cross multiply
    299,094.71x = 448,726.82 × 121,729.01
  4. Step 4: Simplify right side
    299,094.71x = 54,623,068,706.77
  5. Step 5: Solve for x
    x = 54,623,068,706.77/299,094.71
  6. Step 6: Final answer
    x = 182,628.00

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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.