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Finding the Fourth Proportional to 186,373.00, 257,187.99 and 113,897.15

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Solution

The fourth proportional to 186,373.00, 257,187.99 and 113,897.15 is: 157,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,373.00 : 257,187.99 = 113,897.15 : x
  2. Step 2: Convert to fraction form
    186,373.00/257,187.99 = 113,897.15/x
  3. Step 3: Cross multiply
    186,373.00x = 257,187.99 × 113,897.15
  4. Step 4: Simplify right side
    186,373.00x = 29,292,977,496.51
  5. Step 5: Solve for x
    x = 29,292,977,496.51/186,373.00
  6. Step 6: Final answer
    x = 157,173.93

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Why These Related Problems?

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