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Finding the Fourth Proportional to 286,090.48, 429,116.67 and 117,567.16

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Solution

The fourth proportional to 286,090.48, 429,116.67 and 117,567.16 is: 176,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,090.48 : 429,116.67 = 117,567.16 : x
  2. Step 2: Convert to fraction form
    286,090.48/429,116.67 = 117,567.16/x
  3. Step 3: Cross multiply
    286,090.48x = 429,116.67 × 117,567.16
  4. Step 4: Simplify right side
    286,090.48x = 50,450,028,200.56
  5. Step 5: Solve for x
    x = 50,450,028,200.56/286,090.48
  6. Step 6: Final answer
    x = 176,342.91

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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.