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Finding the Fourth Proportional to 258,989.01, 357,459.98 and 174,056.86

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Solution

The fourth proportional to 258,989.01, 357,459.98 and 174,056.86 is: 240,235.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,989.01 : 357,459.98 = 174,056.86 : x
  2. Step 2: Convert to fraction form
    258,989.01/357,459.98 = 174,056.86/x
  3. Step 3: Cross multiply
    258,989.01x = 357,459.98 × 174,056.86
  4. Step 4: Simplify right side
    258,989.01x = 62,218,361,271.00
  5. Step 5: Solve for x
    x = 62,218,361,271.00/258,989.01
  6. Step 6: Final answer
    x = 240,235.53

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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.