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Finding the Fourth Proportional to 118,341, 177,598.98 and 56,011.50

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Solution

The fourth proportional to 118,341, 177,598.98 and 56,011.50 is: 84,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,341 : 177,598.98 = 56,011.50 : x
  2. Step 2: Convert to fraction form
    118,341/177,598.98 = 56,011.50/x
  3. Step 3: Cross multiply
    118,341x = 177,598.98 × 56,011.50
  4. Step 4: Simplify right side
    118,341x = 9,947,585,268.27
  5. Step 5: Solve for x
    x = 9,947,585,268.27/118,341
  6. Step 6: Final answer
    x = 84,058.65

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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.