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Finding the Fourth Proportional to 152,547.52, 210,504.96 and 84,563.84

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Solution

The fourth proportional to 152,547.52, 210,504.96 and 84,563.84 is: 116,692.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,547.52 : 210,504.96 = 84,563.84 : x
  2. Step 2: Convert to fraction form
    152,547.52/210,504.96 = 84,563.84/x
  3. Step 3: Cross multiply
    152,547.52x = 210,504.96 × 84,563.84
  4. Step 4: Simplify right side
    152,547.52x = 17,801,107,756.65
  5. Step 5: Solve for x
    x = 17,801,107,756.65/152,547.52
  6. Step 6: Final answer
    x = 116,692.21

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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.