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Finding the Fourth Proportional to 357,543.09, 536,388.35 and 104,831.87

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Solution

The fourth proportional to 357,543.09, 536,388.35 and 104,831.87 is: 157,269.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,543.09 : 536,388.35 = 104,831.87 : x
  2. Step 2: Convert to fraction form
    357,543.09/536,388.35 = 104,831.87/x
  3. Step 3: Cross multiply
    357,543.09x = 536,388.35 × 104,831.87
  4. Step 4: Simplify right side
    357,543.09x = 56,230,590,570.61
  5. Step 5: Solve for x
    x = 56,230,590,570.61/357,543.09
  6. Step 6: Final answer
    x = 157,269.41

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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.