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Finding the Fourth Proportional to 152,407.40, 228,173.70 and 93,358.40

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Solution

The fourth proportional to 152,407.40, 228,173.70 and 93,358.40 is: 139,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,407.40 : 228,173.70 = 93,358.40 : x
  2. Step 2: Convert to fraction form
    152,407.40/228,173.70 = 93,358.40/x
  3. Step 3: Cross multiply
    152,407.40x = 228,173.70 × 93,358.40
  4. Step 4: Simplify right side
    152,407.40x = 21,301,931,554.08
  5. Step 5: Solve for x
    x = 21,301,931,554.08/152,407.40
  6. Step 6: Final answer
    x = 139,769.67

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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.