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Finding the Fourth Proportional to 124,510.84, 186,636.66 and 93,251.32

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Solution

The fourth proportional to 124,510.84, 186,636.66 and 93,251.32 is: 139,779.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,510.84 : 186,636.66 = 93,251.32 : x
  2. Step 2: Convert to fraction form
    124,510.84/186,636.66 = 93,251.32/x
  3. Step 3: Cross multiply
    124,510.84x = 186,636.66 × 93,251.32
  4. Step 4: Simplify right side
    124,510.84x = 17,404,114,905.39
  5. Step 5: Solve for x
    x = 17,404,114,905.39/124,510.84
  6. Step 6: Final answer
    x = 139,779.92

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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.