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Finding the Fourth Proportional to 227,671,661.64, 314,186,826.78 and 123,249,655.56

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Solution

The fourth proportional to 227,671,661.64, 314,186,826.78 and 123,249,655.56 is: 170,084,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,671,661.64 : 314,186,826.78 = 123,249,655.56 : x
  2. Step 2: Convert to fraction form
    227,671,661.64/314,186,826.78 = 123,249,655.56/x
  3. Step 3: Cross multiply
    227,671,661.64x = 314,186,826.78 × 123,249,655.56
  4. Step 4: Simplify right side
    227,671,661.64x = 38,723,418,182,124,384
  5. Step 5: Solve for x
    x = 38,723,418,182,124,384/227,671,661.64
  6. Step 6: Final answer
    x = 170,084,488.79

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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.