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Finding the Fourth Proportional to 173,347.60, 260,021.40 and 153,648.40

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Solution

The fourth proportional to 173,347.60, 260,021.40 and 153,648.40 is: 230,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,347.60 : 260,021.40 = 153,648.40 : x
  2. Step 2: Convert to fraction form
    173,347.60/260,021.40 = 153,648.40/x
  3. Step 3: Cross multiply
    173,347.60x = 260,021.40 × 153,648.40
  4. Step 4: Simplify right side
    173,347.60x = 39,951,872,075.76
  5. Step 5: Solve for x
    x = 39,951,872,075.76/173,347.60
  6. Step 6: Final answer
    x = 230,472.60

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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.