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Finding the Fourth Proportional to 155,598.40, 232,814.40 and 103,110.40

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Solution

The fourth proportional to 155,598.40, 232,814.40 and 103,110.40 is: 154,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,598.40 : 232,814.40 = 103,110.40 : x
  2. Step 2: Convert to fraction form
    155,598.40/232,814.40 = 103,110.40/x
  3. Step 3: Cross multiply
    155,598.40x = 232,814.40 × 103,110.40
  4. Step 4: Simplify right side
    155,598.40x = 24,005,585,909.76
  5. Step 5: Solve for x
    x = 24,005,585,909.76/155,598.40
  6. Step 6: Final answer
    x = 154,279.13

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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.