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Finding the Fourth Proportional to 152,482.83, 210,426.80 and 84,500.93

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Solution

The fourth proportional to 152,482.83, 210,426.80 and 84,500.93 is: 116,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,482.83 : 210,426.80 = 84,500.93 : x
  2. Step 2: Convert to fraction form
    152,482.83/210,426.80 = 84,500.93/x
  3. Step 3: Cross multiply
    152,482.83x = 210,426.80 × 84,500.93
  4. Step 4: Simplify right side
    152,482.83x = 17,781,258,822.29
  5. Step 5: Solve for x
    x = 17,781,258,822.29/152,482.83
  6. Step 6: Final answer
    x = 116,611.55

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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.