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Finding the Fourth Proportional to 86,603.63, 119,468.98 and 52,603.07

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Solution

The fourth proportional to 86,603.63, 119,468.98 and 52,603.07 is: 72,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,603.63 : 119,468.98 = 52,603.07 : x
  2. Step 2: Convert to fraction form
    86,603.63/119,468.98 = 52,603.07/x
  3. Step 3: Cross multiply
    86,603.63x = 119,468.98 × 52,603.07
  4. Step 4: Simplify right side
    86,603.63x = 6,284,435,117.77
  5. Step 5: Solve for x
    x = 6,284,435,117.77/86,603.63
  6. Step 6: Final answer
    x = 72,565.49

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1.5x scale

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.