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Finding the Fourth Proportional to 107,105.93, 147,810.12 and 64,656.26

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Solution

The fourth proportional to 107,105.93, 147,810.12 and 64,656.26 is: 89,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,105.93 : 147,810.12 = 64,656.26 : x
  2. Step 2: Convert to fraction form
    107,105.93/147,810.12 = 64,656.26/x
  3. Step 3: Cross multiply
    107,105.93x = 147,810.12 × 64,656.26
  4. Step 4: Simplify right side
    107,105.93x = 9,556,849,549.35
  5. Step 5: Solve for x
    x = 9,556,849,549.35/107,105.93
  6. Step 6: Final answer
    x = 89,228.02

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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.