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Finding the Fourth Proportional to 65,130.40, 97,695.60 and 61,501.60

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Solution

The fourth proportional to 65,130.40, 97,695.60 and 61,501.60 is: 92,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,130.40 : 97,695.60 = 61,501.60 : x
  2. Step 2: Convert to fraction form
    65,130.40/97,695.60 = 61,501.60/x
  3. Step 3: Cross multiply
    65,130.40x = 97,695.60 × 61,501.60
  4. Step 4: Simplify right side
    65,130.40x = 6,008,435,712.96
  5. Step 5: Solve for x
    x = 6,008,435,712.96/65,130.40
  6. Step 6: Final answer
    x = 92,252.40

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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.