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Finding the Fourth Proportional to 97,762.30, 146,643.45 and 42,466.30

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Solution

The fourth proportional to 97,762.30, 146,643.45 and 42,466.30 is: 63,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,762.30 : 146,643.45 = 42,466.30 : x
  2. Step 2: Convert to fraction form
    97,762.30/146,643.45 = 42,466.30/x
  3. Step 3: Cross multiply
    97,762.30x = 146,643.45 × 42,466.30
  4. Step 4: Simplify right side
    97,762.30x = 6,227,404,740.74
  5. Step 5: Solve for x
    x = 6,227,404,740.74/97,762.30
  6. Step 6: Final answer
    x = 63,699.45

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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.