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Finding the Fourth Proportional to 155,365.60, 233,048.40 and 55,638.40

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Solution

The fourth proportional to 155,365.60, 233,048.40 and 55,638.40 is: 83,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,365.60 : 233,048.40 = 55,638.40 : x
  2. Step 2: Convert to fraction form
    155,365.60/233,048.40 = 55,638.40/x
  3. Step 3: Cross multiply
    155,365.60x = 233,048.40 × 55,638.40
  4. Step 4: Simplify right side
    155,365.60x = 12,966,440,098.56
  5. Step 5: Solve for x
    x = 12,966,440,098.56/155,365.60
  6. Step 6: Final answer
    x = 83,457.60

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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.