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Finding the Fourth Proportional to 359,068.66, 538,621.47 and 92,831.48

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Solution

The fourth proportional to 359,068.66, 538,621.47 and 92,831.48 is: 139,252.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,068.66 : 538,621.47 = 92,831.48 : x
  2. Step 2: Convert to fraction form
    359,068.66/538,621.47 = 92,831.48/x
  3. Step 3: Cross multiply
    359,068.66x = 538,621.47 × 92,831.48
  4. Step 4: Simplify right side
    359,068.66x = 50,001,028,219.88
  5. Step 5: Solve for x
    x = 50,001,028,219.88/359,068.66
  6. Step 6: Final answer
    x = 139,252.00

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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.