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Finding the Fourth Proportional to 175,465.01, 242,165.63 and 107,485.76

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Solution

The fourth proportional to 175,465.01, 242,165.63 and 107,485.76 is: 148,345.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,465.01 : 242,165.63 = 107,485.76 : x
  2. Step 2: Convert to fraction form
    175,465.01/242,165.63 = 107,485.76/x
  3. Step 3: Cross multiply
    175,465.01x = 242,165.63 × 107,485.76
  4. Step 4: Simplify right side
    175,465.01x = 26,029,356,786.43
  5. Step 5: Solve for x
    x = 26,029,356,786.43/175,465.01
  6. Step 6: Final answer
    x = 148,345.00

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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.