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Finding the Fourth Proportional to 161,332.80, 242,582.40 and 157,833.60

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Solution

The fourth proportional to 161,332.80, 242,582.40 and 157,833.60 is: 237,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,332.80 : 242,582.40 = 157,833.60 : x
  2. Step 2: Convert to fraction form
    161,332.80/242,582.40 = 157,833.60/x
  3. Step 3: Cross multiply
    161,332.80x = 242,582.40 × 157,833.60
  4. Step 4: Simplify right side
    161,332.80x = 38,287,653,488.64
  5. Step 5: Solve for x
    x = 38,287,653,488.64/161,332.80
  6. Step 6: Final answer
    x = 237,320.95

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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.