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Finding the Fourth Proportional to 152,673.51, 210,714.65 and 84,712.35

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Solution

The fourth proportional to 152,673.51, 210,714.65 and 84,712.35 is: 116,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,673.51 : 210,714.65 = 84,712.35 : x
  2. Step 2: Convert to fraction form
    152,673.51/210,714.65 = 84,712.35/x
  3. Step 3: Cross multiply
    152,673.51x = 210,714.65 × 84,712.35
  4. Step 4: Simplify right side
    152,673.51x = 17,850,133,180.93
  5. Step 5: Solve for x
    x = 17,850,133,180.93/152,673.51
  6. Step 6: Final answer
    x = 116,917.03

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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.