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Finding the Fourth Proportional to 64,908.30, 97,362.45 and 40,106.10

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Solution

The fourth proportional to 64,908.30, 97,362.45 and 40,106.10 is: 60,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,908.30 : 97,362.45 = 40,106.10 : x
  2. Step 2: Convert to fraction form
    64,908.30/97,362.45 = 40,106.10/x
  3. Step 3: Cross multiply
    64,908.30x = 97,362.45 × 40,106.10
  4. Step 4: Simplify right side
    64,908.30x = 3,904,828,155.95
  5. Step 5: Solve for x
    x = 3,904,828,155.95/64,908.30
  6. Step 6: Final answer
    x = 60,159.15

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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.