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Finding the Fourth Proportional to 152,215.93, 210,054.83 and 84,232.86

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Solution

The fourth proportional to 152,215.93, 210,054.83 and 84,232.86 is: 116,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,215.93 : 210,054.83 = 84,232.86 : x
  2. Step 2: Convert to fraction form
    152,215.93/210,054.83 = 84,232.86/x
  3. Step 3: Cross multiply
    152,215.93x = 210,054.83 × 84,232.86
  4. Step 4: Simplify right side
    152,215.93x = 17,693,518,248.02
  5. Step 5: Solve for x
    x = 17,693,518,248.02/152,215.93
  6. Step 6: Final answer
    x = 116,239.60

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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.