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Finding the Fourth Proportional to 152,755.84, 210,777.51 and 84,762.01

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Solution

The fourth proportional to 152,755.84, 210,777.51 and 84,762.01 is: 116,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,755.84 : 210,777.51 = 84,762.01 : x
  2. Step 2: Convert to fraction form
    152,755.84/210,777.51 = 84,762.01/x
  3. Step 3: Cross multiply
    152,755.84x = 210,777.51 × 84,762.01
  4. Step 4: Simplify right side
    152,755.84x = 17,865,925,410.40
  5. Step 5: Solve for x
    x = 17,865,925,410.40/152,755.84
  6. Step 6: Final answer
    x = 116,957.40

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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.