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Finding the Fourth Proportional to 152,693.01, 210,712.44 and 84,709.65

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Solution

The fourth proportional to 152,693.01, 210,712.44 and 84,709.65 is: 116,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,693.01 : 210,712.44 = 84,709.65 : x
  2. Step 2: Convert to fraction form
    152,693.01/210,712.44 = 84,709.65/x
  3. Step 3: Cross multiply
    152,693.01x = 210,712.44 × 84,709.65
  4. Step 4: Simplify right side
    152,693.01x = 17,849,377,043.05
  5. Step 5: Solve for x
    x = 17,849,377,043.05/152,693.01
  6. Step 6: Final answer
    x = 116,897.15

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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.