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Finding the Fourth Proportional to 110,903.01, 153,045.96 and 63,156.36

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Solution

The fourth proportional to 110,903.01, 153,045.96 and 63,156.36 is: 87,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,903.01 : 153,045.96 = 63,156.36 : x
  2. Step 2: Convert to fraction form
    110,903.01/153,045.96 = 63,156.36/x
  3. Step 3: Cross multiply
    110,903.01x = 153,045.96 × 63,156.36
  4. Step 4: Simplify right side
    110,903.01x = 9,665,825,746.31
  5. Step 5: Solve for x
    x = 9,665,825,746.31/110,903.01
  6. Step 6: Final answer
    x = 87,155.67

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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.