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Finding the Fourth Proportional to 157,156.98, 216,973.53 and 108,182.22

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Solution

The fourth proportional to 157,156.98, 216,973.53 and 108,182.22 is: 149,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,156.98 : 216,973.53 = 108,182.22 : x
  2. Step 2: Convert to fraction form
    157,156.98/216,973.53 = 108,182.22/x
  3. Step 3: Cross multiply
    157,156.98x = 216,973.53 × 108,182.22
  4. Step 4: Simplify right side
    157,156.98x = 23,472,678,156.64
  5. Step 5: Solve for x
    x = 23,472,678,156.64/157,156.98
  6. Step 6: Final answer
    x = 149,358.17

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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.