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Finding the Fourth Proportional to 203,356.04, 304,831.06 and 70,151.34

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Solution

The fourth proportional to 203,356.04, 304,831.06 and 70,151.34 is: 105,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,356.04 : 304,831.06 = 70,151.34 : x
  2. Step 2: Convert to fraction form
    203,356.04/304,831.06 = 70,151.34/x
  3. Step 3: Cross multiply
    203,356.04x = 304,831.06 × 70,151.34
  4. Step 4: Simplify right side
    203,356.04x = 21,384,307,157.24
  5. Step 5: Solve for x
    x = 21,384,307,157.24/203,356.04
  6. Step 6: Final answer
    x = 105,156.98

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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.