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Finding the Fourth Proportional to 105,611.01, 157,474.46 and 93,875.01

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Solution

The fourth proportional to 105,611.01, 157,474.46 and 93,875.01 is: 139,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,611.01 : 157,474.46 = 93,875.01 : x
  2. Step 2: Convert to fraction form
    105,611.01/157,474.46 = 93,875.01/x
  3. Step 3: Cross multiply
    105,611.01x = 157,474.46 × 93,875.01
  4. Step 4: Simplify right side
    105,611.01x = 14,782,916,507.24
  5. Step 5: Solve for x
    x = 14,782,916,507.24/105,611.01
  6. Step 6: Final answer
    x = 139,975.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.