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Finding the Fourth Proportional to 207,153.51, 310,446.77 and 156,510.90

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Solution

The fourth proportional to 207,153.51, 310,446.77 and 156,510.90 is: 234,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,153.51 : 310,446.77 = 156,510.90 : x
  2. Step 2: Convert to fraction form
    207,153.51/310,446.77 = 156,510.90/x
  3. Step 3: Cross multiply
    207,153.51x = 310,446.77 × 156,510.90
  4. Step 4: Simplify right side
    207,153.51x = 48,588,302,592.24
  5. Step 5: Solve for x
    x = 48,588,302,592.24/207,153.51
  6. Step 6: Final answer
    x = 234,552.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.