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Finding the Fourth Proportional to 98,045.16, 147,047.58 and 27,905.64

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Solution

The fourth proportional to 98,045.16, 147,047.58 and 27,905.64 is: 41,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,045.16 : 147,047.58 = 27,905.64 : x
  2. Step 2: Convert to fraction form
    98,045.16/147,047.58 = 27,905.64/x
  3. Step 3: Cross multiply
    98,045.16x = 147,047.58 × 27,905.64
  4. Step 4: Simplify right side
    98,045.16x = 4,103,456,830.35
  5. Step 5: Solve for x
    x = 4,103,456,830.35/98,045.16
  6. Step 6: Final answer
    x = 41,852.72

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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.