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Finding the Fourth Proportional to 56,477,415.78, 84,716,123.67 and 56,477,415.78

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Solution

The fourth proportional to 56,477,415.78, 84,716,123.67 and 56,477,415.78 is: 84,716,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,477,415.78 : 84,716,123.67 = 56,477,415.78 : x
  2. Step 2: Convert to fraction form
    56,477,415.78/84,716,123.67 = 56,477,415.78/x
  3. Step 3: Cross multiply
    56,477,415.78x = 84,716,123.67 × 56,477,415.78
  4. Step 4: Simplify right side
    56,477,415.78x = 4,784,547,739,780,490
  5. Step 5: Solve for x
    x = 4,784,547,739,780,490/56,477,415.78
  6. Step 6: Final answer
    x = 84,716,123.67

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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.