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Finding the Fourth Proportional to 153,889.44, 212,463.48 and 118,010.40

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Solution

The fourth proportional to 153,889.44, 212,463.48 and 118,010.40 is: 162,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,889.44 : 212,463.48 = 118,010.40 : x
  2. Step 2: Convert to fraction form
    153,889.44/212,463.48 = 118,010.40/x
  3. Step 3: Cross multiply
    153,889.44x = 212,463.48 × 118,010.40
  4. Step 4: Simplify right side
    153,889.44x = 25,072,900,260.19
  5. Step 5: Solve for x
    x = 25,072,900,260.19/153,889.44
  6. Step 6: Final answer
    x = 162,928.01

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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.