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Finding the Fourth Proportional to 152,599.93, 210,600.35 and 84,638.23

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Solution

The fourth proportional to 152,599.93, 210,600.35 and 84,638.23 is: 116,807.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,599.93 : 210,600.35 = 84,638.23 : x
  2. Step 2: Convert to fraction form
    152,599.93/210,600.35 = 84,638.23/x
  3. Step 3: Cross multiply
    152,599.93x = 210,600.35 × 84,638.23
  4. Step 4: Simplify right side
    152,599.93x = 17,824,840,861.38
  5. Step 5: Solve for x
    x = 17,824,840,861.38/152,599.93
  6. Step 6: Final answer
    x = 116,807.66

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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.