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Finding the Fourth Proportional to 157,133.70, 216,296.82 and 136,955.52

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Solution

The fourth proportional to 157,133.70, 216,296.82 and 136,955.52 is: 188,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,133.70 : 216,296.82 = 136,955.52 : x
  2. Step 2: Convert to fraction form
    157,133.70/216,296.82 = 136,955.52/x
  3. Step 3: Cross multiply
    157,133.70x = 216,296.82 × 136,955.52
  4. Step 4: Simplify right side
    157,133.70x = 29,623,043,457.45
  5. Step 5: Solve for x
    x = 29,623,043,457.45/157,133.70
  6. Step 6: Final answer
    x = 188,521.26

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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.