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Finding the Fourth Proportional to 359,070.16, 538,623.72 and 92,832.98

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Solution

The fourth proportional to 359,070.16, 538,623.72 and 92,832.98 is: 139,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,070.16 : 538,623.72 = 92,832.98 : x
  2. Step 2: Convert to fraction form
    359,070.16/538,623.72 = 92,832.98/x
  3. Step 3: Cross multiply
    359,070.16x = 538,623.72 × 92,832.98
  4. Step 4: Simplify right side
    359,070.16x = 50,002,045,026.29
  5. Step 5: Solve for x
    x = 50,002,045,026.29/359,070.16
  6. Step 6: Final answer
    x = 139,254.25

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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.