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Finding the Fourth Proportional to 302,178.88, 452,859.90 and 115,088.32

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Solution

The fourth proportional to 302,178.88, 452,859.90 and 115,088.32 is: 172,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,178.88 : 452,859.90 = 115,088.32 : x
  2. Step 2: Convert to fraction form
    302,178.88/452,859.90 = 115,088.32/x
  3. Step 3: Cross multiply
    302,178.88x = 452,859.90 × 115,088.32
  4. Step 4: Simplify right side
    302,178.88x = 52,118,885,086.37
  5. Step 5: Solve for x
    x = 52,118,885,086.37/302,178.88
  6. Step 6: Final answer
    x = 172,476.93

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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.