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Finding the Fourth Proportional to 292,881.29, 439,313.63 and 93,213.59

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Solution

The fourth proportional to 292,881.29, 439,313.63 and 93,213.59 is: 139,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,881.29 : 439,313.63 = 93,213.59 : x
  2. Step 2: Convert to fraction form
    292,881.29/439,313.63 = 93,213.59/x
  3. Step 3: Cross multiply
    292,881.29x = 439,313.63 × 93,213.59
  4. Step 4: Simplify right side
    292,881.29x = 40,949,997,925.60
  5. Step 5: Solve for x
    x = 40,949,997,925.60/292,881.29
  6. Step 6: Final answer
    x = 139,817.74

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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.