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Finding the Fourth Proportional to 175,762.80, 242,547.48 and 99,285.48

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Solution

The fourth proportional to 175,762.80, 242,547.48 and 99,285.48 is: 137,011.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,762.80 : 242,547.48 = 99,285.48 : x
  2. Step 2: Convert to fraction form
    175,762.80/242,547.48 = 99,285.48/x
  3. Step 3: Cross multiply
    175,762.80x = 242,547.48 × 99,285.48
  4. Step 4: Simplify right side
    175,762.80x = 24,081,442,974.59
  5. Step 5: Solve for x
    x = 24,081,442,974.59/175,762.80
  6. Step 6: Final answer
    x = 137,011.03

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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.