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Finding the Fourth Proportional to 161,653.88, 242,480.82 and 56,473.76

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Solution

The fourth proportional to 161,653.88, 242,480.82 and 56,473.76 is: 84,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,653.88 : 242,480.82 = 56,473.76 : x
  2. Step 2: Convert to fraction form
    161,653.88/242,480.82 = 56,473.76/x
  3. Step 3: Cross multiply
    161,653.88x = 242,480.82 × 56,473.76
  4. Step 4: Simplify right side
    161,653.88x = 13,693,803,633.28
  5. Step 5: Solve for x
    x = 13,693,803,633.28/161,653.88
  6. Step 6: Final answer
    x = 84,710.64

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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.