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Finding the Fourth Proportional to 292,971.44, 439,492.32 and 103,392.68

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Solution

The fourth proportional to 292,971.44, 439,492.32 and 103,392.68 is: 155,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,971.44 : 439,492.32 = 103,392.68 : x
  2. Step 2: Convert to fraction form
    292,971.44/439,492.32 = 103,392.68/x
  3. Step 3: Cross multiply
    292,971.44x = 439,492.32 × 103,392.68
  4. Step 4: Simplify right side
    292,971.44x = 45,440,286,606.76
  5. Step 5: Solve for x
    x = 45,440,286,606.76/292,971.44
  6. Step 6: Final answer
    x = 155,101.42

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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.