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Finding the Fourth Proportional to 107,748, 148,692.24 and 63,044.64

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Solution

The fourth proportional to 107,748, 148,692.24 and 63,044.64 is: 87,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,748 : 148,692.24 = 63,044.64 : x
  2. Step 2: Convert to fraction form
    107,748/148,692.24 = 63,044.64/x
  3. Step 3: Cross multiply
    107,748x = 148,692.24 × 63,044.64
  4. Step 4: Simplify right side
    107,748x = 9,374,248,741.59
  5. Step 5: Solve for x
    x = 9,374,248,741.59/107,748
  6. Step 6: Final answer
    x = 87,001.60

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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.