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Finding the Fourth Proportional to 173,970.66, 240,075.42 and 102,355.30

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Solution

The fourth proportional to 173,970.66, 240,075.42 and 102,355.30 is: 141,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,970.66 : 240,075.42 = 102,355.30 : x
  2. Step 2: Convert to fraction form
    173,970.66/240,075.42 = 102,355.30/x
  3. Step 3: Cross multiply
    173,970.66x = 240,075.42 × 102,355.30
  4. Step 4: Simplify right side
    173,970.66x = 24,572,991,636.73
  5. Step 5: Solve for x
    x = 24,572,991,636.73/173,970.66
  6. Step 6: Final answer
    x = 141,247.91

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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.