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Finding the Fourth Proportional to 99,938.00, 137,916.14 and 59,643.93

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Solution

The fourth proportional to 99,938.00, 137,916.14 and 59,643.93 is: 82,309.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,938.00 : 137,916.14 = 59,643.93 : x
  2. Step 2: Convert to fraction form
    99,938.00/137,916.14 = 59,643.93/x
  3. Step 3: Cross multiply
    99,938.00x = 137,916.14 × 59,643.93
  4. Step 4: Simplify right side
    99,938.00x = 8,225,860,301.81
  5. Step 5: Solve for x
    x = 8,225,860,301.81/99,938.00
  6. Step 6: Final answer
    x = 82,309.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.