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Finding the Fourth Proportional to 102,002.90, 153,004.35 and 95,090.90

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Solution

The fourth proportional to 102,002.90, 153,004.35 and 95,090.90 is: 142,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,002.90 : 153,004.35 = 95,090.90 : x
  2. Step 2: Convert to fraction form
    102,002.90/153,004.35 = 95,090.90/x
  3. Step 3: Cross multiply
    102,002.90x = 153,004.35 × 95,090.90
  4. Step 4: Simplify right side
    102,002.90x = 14,549,321,345.42
  5. Step 5: Solve for x
    x = 14,549,321,345.42/102,002.90
  6. Step 6: Final answer
    x = 142,636.35

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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.