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Finding the Fourth Proportional to 117,412.13, 174,705.91 and 117,018.47

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Solution

The fourth proportional to 117,412.13, 174,705.91 and 117,018.47 is: 174,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,412.13 : 174,705.91 = 117,018.47 : x
  2. Step 2: Convert to fraction form
    117,412.13/174,705.91 = 117,018.47/x
  3. Step 3: Cross multiply
    117,412.13x = 174,705.91 × 117,018.47
  4. Step 4: Simplify right side
    117,412.13x = 20,443,819,090.61
  5. Step 5: Solve for x
    x = 20,443,819,090.61/117,412.13
  6. Step 6: Final answer
    x = 174,120.16

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