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Finding the Fourth Proportional to 181,803.60, 272,486.70 and 93,011.40

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Solution

The fourth proportional to 181,803.60, 272,486.70 and 93,011.40 is: 139,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,803.60 : 272,486.70 = 93,011.40 : x
  2. Step 2: Convert to fraction form
    181,803.60/272,486.70 = 93,011.40/x
  3. Step 3: Cross multiply
    181,803.60x = 272,486.70 × 93,011.40
  4. Step 4: Simplify right side
    181,803.60x = 25,344,369,448.38
  5. Step 5: Solve for x
    x = 25,344,369,448.38/181,803.60
  6. Step 6: Final answer
    x = 139,405.21

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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.