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Finding the Fourth Proportional to 105,887.44, 146,113.76 and 63,444.88

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Solution

The fourth proportional to 105,887.44, 146,113.76 and 63,444.88 is: 87,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,887.44 : 146,113.76 = 63,444.88 : x
  2. Step 2: Convert to fraction form
    105,887.44/146,113.76 = 63,444.88/x
  3. Step 3: Cross multiply
    105,887.44x = 146,113.76 × 63,444.88
  4. Step 4: Simplify right side
    105,887.44x = 9,270,169,969.55
  5. Step 5: Solve for x
    x = 9,270,169,969.55/105,887.44
  6. Step 6: Final answer
    x = 87,547.40

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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.