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Finding the Fourth Proportional to 64,934.90, 97,402.35 and 64,060.10

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Solution

The fourth proportional to 64,934.90, 97,402.35 and 64,060.10 is: 96,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,934.90 : 97,402.35 = 64,060.10 : x
  2. Step 2: Convert to fraction form
    64,934.90/97,402.35 = 64,060.10/x
  3. Step 3: Cross multiply
    64,934.90x = 97,402.35 × 64,060.10
  4. Step 4: Simplify right side
    64,934.90x = 6,239,604,281.24
  5. Step 5: Solve for x
    x = 6,239,604,281.24/64,934.90
  6. Step 6: Final answer
    x = 96,090.15

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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.