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Finding the Fourth Proportional to 152,603.60, 210,595.51 and 84,623.43

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Solution

The fourth proportional to 152,603.60, 210,595.51 and 84,623.43 is: 116,781.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,603.60 : 210,595.51 = 84,623.43 : x
  2. Step 2: Convert to fraction form
    152,603.60/210,595.51 = 84,623.43/x
  3. Step 3: Cross multiply
    152,603.60x = 210,595.51 × 84,623.43
  4. Step 4: Simplify right side
    152,603.60x = 17,821,315,294.31
  5. Step 5: Solve for x
    x = 17,821,315,294.31/152,603.60
  6. Step 6: Final answer
    x = 116,781.75

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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.