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Finding the Fourth Proportional to 176,782.50, 243,898.29 and 100,292.58

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Solution

The fourth proportional to 176,782.50, 243,898.29 and 100,292.58 is: 138,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,782.50 : 243,898.29 = 100,292.58 : x
  2. Step 2: Convert to fraction form
    176,782.50/243,898.29 = 100,292.58/x
  3. Step 3: Cross multiply
    176,782.50x = 243,898.29 × 100,292.58
  4. Step 4: Simplify right side
    176,782.50x = 24,461,188,761.69
  5. Step 5: Solve for x
    x = 24,461,188,761.69/176,782.50
  6. Step 6: Final answer
    x = 138,368.84

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1.5x scale

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.