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Finding the Fourth Proportional to 252,607.63, 348,598.56 and 139,430.41

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Solution

The fourth proportional to 252,607.63, 348,598.56 and 139,430.41 is: 192,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,607.63 : 348,598.56 = 139,430.41 : x
  2. Step 2: Convert to fraction form
    252,607.63/348,598.56 = 139,430.41/x
  3. Step 3: Cross multiply
    252,607.63x = 348,598.56 × 139,430.41
  4. Step 4: Simplify right side
    252,607.63x = 48,605,237,706.06
  5. Step 5: Solve for x
    x = 48,605,237,706.06/252,607.63
  6. Step 6: Final answer
    x = 192,413.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.