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Finding the Fourth Proportional to 94,503.84, 141,755.76 and 64,831.74

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Solution

The fourth proportional to 94,503.84, 141,755.76 and 64,831.74 is: 97,247.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,503.84 : 141,755.76 = 64,831.74 : x
  2. Step 2: Convert to fraction form
    94,503.84/141,755.76 = 64,831.74/x
  3. Step 3: Cross multiply
    94,503.84x = 141,755.76 × 64,831.74
  4. Step 4: Simplify right side
    94,503.84x = 9,190,272,575.82
  5. Step 5: Solve for x
    x = 9,190,272,575.82/94,503.84
  6. Step 6: Final answer
    x = 97,247.61

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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.