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Finding the Fourth Proportional to 101,607.36, 152,386.53 and 42,410.94

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Solution

The fourth proportional to 101,607.36, 152,386.53 and 42,410.94 is: 63,606.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,607.36 : 152,386.53 = 42,410.94 : x
  2. Step 2: Convert to fraction form
    101,607.36/152,386.53 = 42,410.94/x
  3. Step 3: Cross multiply
    101,607.36x = 152,386.53 × 42,410.94
  4. Step 4: Simplify right side
    101,607.36x = 6,462,855,980.64
  5. Step 5: Solve for x
    x = 6,462,855,980.64/101,607.36
  6. Step 6: Final answer
    x = 63,606.18

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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.