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Finding the Fourth Proportional to 176,073.60, 263,643.84 and 105,856.32

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Solution

The fourth proportional to 176,073.60, 263,643.84 and 105,856.32 is: 158,503.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,073.60 : 263,643.84 = 105,856.32 : x
  2. Step 2: Convert to fraction form
    176,073.60/263,643.84 = 105,856.32/x
  3. Step 3: Cross multiply
    176,073.60x = 263,643.84 × 105,856.32
  4. Step 4: Simplify right side
    176,073.60x = 27,908,366,693.07
  5. Step 5: Solve for x
    x = 27,908,366,693.07/176,073.60
  6. Step 6: Final answer
    x = 158,503.98

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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.