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Finding the Fourth Proportional to 152,525.61, 210,492.36 and 84,544.02

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Solution

The fourth proportional to 152,525.61, 210,492.36 and 84,544.02 is: 116,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,525.61 : 210,492.36 = 84,544.02 : x
  2. Step 2: Convert to fraction form
    152,525.61/210,492.36 = 84,544.02/x
  3. Step 3: Cross multiply
    152,525.61x = 210,492.36 × 84,544.02
  4. Step 4: Simplify right side
    152,525.61x = 17,795,870,293.69
  5. Step 5: Solve for x
    x = 17,795,870,293.69/152,525.61
  6. Step 6: Final answer
    x = 116,674.64

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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.