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Finding the Fourth Proportional to 152,802.48, 210,857.43 and 84,816.15

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Solution

The fourth proportional to 152,802.48, 210,857.43 and 84,816.15 is: 117,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,802.48 : 210,857.43 = 84,816.15 : x
  2. Step 2: Convert to fraction form
    152,802.48/210,857.43 = 84,816.15/x
  3. Step 3: Cross multiply
    152,802.48x = 210,857.43 × 84,816.15
  4. Step 4: Simplify right side
    152,802.48x = 17,884,114,461.75
  5. Step 5: Solve for x
    x = 17,884,114,461.75/152,802.48
  6. Step 6: Final answer
    x = 117,040.73

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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.