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Finding the Fourth Proportional to 173,210.36, 238,926.36 and 105,192.76

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Solution

The fourth proportional to 173,210.36, 238,926.36 and 105,192.76 is: 145,102.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,210.36 : 238,926.36 = 105,192.76 : x
  2. Step 2: Convert to fraction form
    173,210.36/238,926.36 = 105,192.76/x
  3. Step 3: Cross multiply
    173,210.36x = 238,926.36 × 105,192.76
  4. Step 4: Simplify right side
    173,210.36x = 25,133,323,245.15
  5. Step 5: Solve for x
    x = 25,133,323,245.15/173,210.36
  6. Step 6: Final answer
    x = 145,102.89

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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.