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Finding the Fourth Proportional to 166,076,430.30, 249,114,645.45 and 166,076,430.30

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Solution

The fourth proportional to 166,076,430.30, 249,114,645.45 and 166,076,430.30 is: 249,114,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,076,430.30 : 249,114,645.45 = 166,076,430.30 : x
  2. Step 2: Convert to fraction form
    166,076,430.30/249,114,645.45 = 166,076,430.30/x
  3. Step 3: Cross multiply
    166,076,430.30x = 249,114,645.45 × 166,076,430.30
  4. Step 4: Simplify right side
    166,076,430.30x = 41,372,071,051,786,136
  5. Step 5: Solve for x
    x = 41,372,071,051,786,136/166,076,430.30
  6. Step 6: Final answer
    x = 249,114,645.45

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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.