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Finding the Fourth Proportional to 108,341.80, 162,574.80 and 58,421.68

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Solution

The fourth proportional to 108,341.80, 162,574.80 and 58,421.68 is: 87,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,341.80 : 162,574.80 = 58,421.68 : x
  2. Step 2: Convert to fraction form
    108,341.80/162,574.80 = 58,421.68/x
  3. Step 3: Cross multiply
    108,341.80x = 162,574.80 × 58,421.68
  4. Step 4: Simplify right side
    108,341.80x = 9,497,892,941.66
  5. Step 5: Solve for x
    x = 9,497,892,941.66/108,341.80
  6. Step 6: Final answer
    x = 87,666.01

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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.