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Finding the Fourth Proportional to 77,533.71, 116,828.13 and 63,801.72

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Solution

The fourth proportional to 77,533.71, 116,828.13 and 63,801.72 is: 96,136.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,533.71 : 116,828.13 = 63,801.72 : x
  2. Step 2: Convert to fraction form
    77,533.71/116,828.13 = 63,801.72/x
  3. Step 3: Cross multiply
    77,533.71x = 116,828.13 × 63,801.72
  4. Step 4: Simplify right side
    77,533.71x = 7,453,835,638.38
  5. Step 5: Solve for x
    x = 7,453,835,638.38/77,533.71
  6. Step 6: Final answer
    x = 96,136.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.