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Finding the Fourth Proportional to 162,661.58, 224,472.95 and 91,041.60

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Solution

The fourth proportional to 162,661.58, 224,472.95 and 91,041.60 is: 125,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,661.58 : 224,472.95 = 91,041.60 : x
  2. Step 2: Convert to fraction form
    162,661.58/224,472.95 = 91,041.60/x
  3. Step 3: Cross multiply
    162,661.58x = 224,472.95 × 91,041.60
  4. Step 4: Simplify right side
    162,661.58x = 20,436,376,069.51
  5. Step 5: Solve for x
    x = 20,436,376,069.51/162,661.58
  6. Step 6: Final answer
    x = 125,637.39

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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.