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Finding the Fourth Proportional to 292,503.03, 438,820.29 and 92,829.93

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Solution

The fourth proportional to 292,503.03, 438,820.29 and 92,829.93 is: 139,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,503.03 : 438,820.29 = 92,829.93 : x
  2. Step 2: Convert to fraction form
    292,503.03/438,820.29 = 92,829.93/x
  3. Step 3: Cross multiply
    292,503.03x = 438,820.29 × 92,829.93
  4. Step 4: Simplify right side
    292,503.03x = 40,735,656,803.28
  5. Step 5: Solve for x
    x = 40,735,656,803.28/292,503.03
  6. Step 6: Final answer
    x = 139,265.76

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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.