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Finding the Fourth Proportional to 117,364.01, 176,001.80 and 42,465.63

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Solution

The fourth proportional to 117,364.01, 176,001.80 and 42,465.63 is: 63,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,364.01 : 176,001.80 = 42,465.63 : x
  2. Step 2: Convert to fraction form
    117,364.01/176,001.80 = 42,465.63/x
  3. Step 3: Cross multiply
    117,364.01x = 176,001.80 × 42,465.63
  4. Step 4: Simplify right side
    117,364.01x = 7,474,027,424.30
  5. Step 5: Solve for x
    x = 7,474,027,424.30/117,364.01
  6. Step 6: Final answer
    x = 63,682.45

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1.5x scale

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.