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Finding the Fourth Proportional to 107,477.68, 148,162.90 and 75,111.84

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Solution

The fourth proportional to 107,477.68, 148,162.90 and 75,111.84 is: 103,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,477.68 : 148,162.90 = 75,111.84 : x
  2. Step 2: Convert to fraction form
    107,477.68/148,162.90 = 75,111.84/x
  3. Step 3: Cross multiply
    107,477.68x = 148,162.90 × 75,111.84
  4. Step 4: Simplify right side
    107,477.68x = 11,128,788,038.74
  5. Step 5: Solve for x
    x = 11,128,788,038.74/107,477.68
  6. Step 6: Final answer
    x = 103,545.11

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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.