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Finding the Fourth Proportional to 176,520.99, 243,598.29 and 100,054.81

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Solution

The fourth proportional to 176,520.99, 243,598.29 and 100,054.81 is: 138,075.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,520.99 : 243,598.29 = 100,054.81 : x
  2. Step 2: Convert to fraction form
    176,520.99/243,598.29 = 100,054.81/x
  3. Step 3: Cross multiply
    176,520.99x = 243,598.29 × 100,054.81
  4. Step 4: Simplify right side
    176,520.99x = 24,373,180,551.57
  5. Step 5: Solve for x
    x = 24,373,180,551.57/176,520.99
  6. Step 6: Final answer
    x = 138,075.26

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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.