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Finding the Fourth Proportional to 175,579.68, 242,303.07 and 99,114.06

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Solution

The fourth proportional to 175,579.68, 242,303.07 and 99,114.06 is: 136,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,579.68 : 242,303.07 = 99,114.06 : x
  2. Step 2: Convert to fraction form
    175,579.68/242,303.07 = 99,114.06/x
  3. Step 3: Cross multiply
    175,579.68x = 242,303.07 × 99,114.06
  4. Step 4: Simplify right side
    175,579.68x = 24,015,641,018.16
  5. Step 5: Solve for x
    x = 24,015,641,018.16/175,579.68
  6. Step 6: Final answer
    x = 136,779.16

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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.