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Finding the Fourth Proportional to 104,085.50, 143,638.02 and 59,373.50

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Solution

The fourth proportional to 104,085.50, 143,638.02 and 59,373.50 is: 81,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,085.50 : 143,638.02 = 59,373.50 : x
  2. Step 2: Convert to fraction form
    104,085.50/143,638.02 = 59,373.50/x
  3. Step 3: Cross multiply
    104,085.50x = 143,638.02 × 59,373.50
  4. Step 4: Simplify right side
    104,085.50x = 8,528,291,980.47
  5. Step 5: Solve for x
    x = 8,528,291,980.47/104,085.50
  6. Step 6: Final answer
    x = 81,935.45

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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.