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Finding the Fourth Proportional to 152,315.40, 228,035.70 and 93,266.40

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Solution

The fourth proportional to 152,315.40, 228,035.70 and 93,266.40 is: 139,631.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,315.40 : 228,035.70 = 93,266.40 : x
  2. Step 2: Convert to fraction form
    152,315.40/228,035.70 = 93,266.40/x
  3. Step 3: Cross multiply
    152,315.40x = 228,035.70 × 93,266.40
  4. Step 4: Simplify right side
    152,315.40x = 21,268,068,810.48
  5. Step 5: Solve for x
    x = 21,268,068,810.48/152,315.40
  6. Step 6: Final answer
    x = 139,631.77

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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.