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Finding the Fourth Proportional to 110,242.62, 152,130.96 and 62,495.01

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Solution

The fourth proportional to 110,242.62, 152,130.96 and 62,495.01 is: 86,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,242.62 : 152,130.96 = 62,495.01 : x
  2. Step 2: Convert to fraction form
    110,242.62/152,130.96 = 62,495.01/x
  3. Step 3: Cross multiply
    110,242.62x = 152,130.96 × 62,495.01
  4. Step 4: Simplify right side
    110,242.62x = 9,507,425,866.51
  5. Step 5: Solve for x
    x = 9,507,425,866.51/110,242.62
  6. Step 6: Final answer
    x = 86,240.93

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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.