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Finding the Fourth Proportional to 176,890.86, 265,445.08 and 70,256.16

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Solution

The fourth proportional to 176,890.86, 265,445.08 and 70,256.16 is: 105,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,890.86 : 265,445.08 = 70,256.16 : x
  2. Step 2: Convert to fraction form
    176,890.86/265,445.08 = 70,256.16/x
  3. Step 3: Cross multiply
    176,890.86x = 265,445.08 × 70,256.16
  4. Step 4: Simplify right side
    176,890.86x = 18,649,152,011.69
  5. Step 5: Solve for x
    x = 18,649,152,011.69/176,890.86
  6. Step 6: Final answer
    x = 105,427.45

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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.