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Finding the Fourth Proportional to 176,303.80, 243,238.44 and 112,678.84

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Solution

The fourth proportional to 176,303.80, 243,238.44 and 112,678.84 is: 155,457.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,303.80 : 243,238.44 = 112,678.84 : x
  2. Step 2: Convert to fraction form
    176,303.80/243,238.44 = 112,678.84/x
  3. Step 3: Cross multiply
    176,303.80x = 243,238.44 × 112,678.84
  4. Step 4: Simplify right side
    176,303.80x = 27,407,825,262.61
  5. Step 5: Solve for x
    x = 27,407,825,262.61/176,303.80
  6. Step 6: Final answer
    x = 155,457.94

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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.